diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_2_10_palette_rotation.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_2_10_palette_rotation.anim
index c67652c79..e442b1aff 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_2_10_palette_rotation.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_2_10_palette_rotation.anim
@@ -3,6 +3,6 @@
 # Define a color attribute that cycles over time, cycle is 5 seconds
 # PALETTE_RAINBOW defines 7 rainbow colors at roughly the same brightness
 # PALETTE_RAINBOW_W adds 8th color white
-color rainbow_color = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=5s)
+color rainbow_color = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=5s)
 animation back = solid(color=rainbow_color)
 run back
\ No newline at end of file
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_2_20_palette_rotation.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_2_20_palette_rotation.anim
index b794a432b..bd7194b6f 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_2_20_palette_rotation.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_2_20_palette_rotation.anim
@@ -14,7 +14,7 @@ palette rainbow_with_white = [
 ]
 
 # Define a color attribute that cycles over time, cycle is 5 seconds
-color rainbow_color = color_cycle(palette=rainbow_with_white, cycle_period=5s)
+color rainbow_color = color_cycle(colors=rainbow_with_white, cycle_period=5s)
 
 # Define a solid background with this dynamic color
 animation back = solid(color=rainbow_color)
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_3_10_color_transition.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_3_10_color_transition.anim
index c8e94d536..7d20e8244 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_3_10_color_transition.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_3_10_color_transition.anim
@@ -2,6 +2,6 @@
 
 animation back = rich_palette_animation()
 # Equivalent to
-# animation back = rich_palette_animation(palette=PALETTE_PALETTE_RAINBOW, cycle_period=5s,
+# animation back = rich_palette_animation(colors=PALETTE_PALETTE_RAINBOW, cycle_period=5s,
 #                                         transition_type=SINE, brightness=100%)
 run back
\ No newline at end of file
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_4_10_color_pattern.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_4_10_color_pattern.anim
index 725e20acf..3d3b4743c 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_4_10_color_pattern.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_4_10_color_pattern.anim
@@ -2,7 +2,7 @@
 
 # Define a smooth palette using PALETTE_RAINBOW_W (7 colors + white)
 # 'cycle_period = 0' means that the colors don't change in time, only spatial change
-color rainbow_rich_color = rich_palette(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color rainbow_rich_color = rich_palette(colors=PALETTE_RAINBOW_W, cycle_period=0)
 
 # Define a gradient across the whole strip
 animation back_pattern = palette_gradient_animation(color_source = rainbow_rich_color)
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_4_12_color_pattern_spatial_2.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_4_12_color_pattern_spatial_2.anim
index f5c704fce..2b0593347 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_4_12_color_pattern_spatial_2.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_4_12_color_pattern_spatial_2.anim
@@ -3,7 +3,7 @@
 
 # Define a smooth palette using PALETTE_RAINBOW_W (7 colors + white)
 # 'cycle_period = 0' means that the colors don't change in time, only spatial change
-color rainbow_rich_color = rich_palette(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color rainbow_rich_color = rich_palette(colors=PALETTE_RAINBOW_W, cycle_period=0)
 
 # Because strip_length is dynamic, we need to map it to a variable and can't use the function directly in formulas
 set strip_len = strip_length()
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_4_15_color_pattern_spatial_osc.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_4_15_color_pattern_spatial_osc.anim
index 77ac0b88a..2f8a3412a 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_4_15_color_pattern_spatial_osc.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_4_15_color_pattern_spatial_osc.anim
@@ -2,7 +2,7 @@
 
 # Define a smooth palette using PALETTE_RAINBOW_W (7 colors + white)
 # 'cycle_period = 0' means that the colors don't change in time, only spatial change
-color rainbow_rich_color = rich_palette(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color rainbow_rich_color = rich_palette(colors=PALETTE_RAINBOW_W, cycle_period=0)
 
 # Because strip_length is dynamic, we need to map it to a variable and can't use the function directly in formulas
 set strip_len = strip_length()
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_4_18_color_pattern_spatial_rotate.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_4_18_color_pattern_spatial_rotate.anim
index 189b1a247..ea9df22fa 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_4_18_color_pattern_spatial_rotate.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_4_18_color_pattern_spatial_rotate.anim
@@ -2,7 +2,7 @@
 
 # Define a smooth palette using PALETTE_RAINBOW_W (7 colors + white)
 # 'cycle_period = 0' means that the colors don't change in time, only spatial change
-color rainbow_rich_color = rich_palette(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color rainbow_rich_color = rich_palette(colors=PALETTE_RAINBOW_W, cycle_period=0)
 
 # define a gradient across the whole strip
 animation back = palette_gradient_animation(color_source = rainbow_rich_color, shift_period = 5s)
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_4_30_color_pattern_meter.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_4_30_color_pattern_meter.anim
index b3516240f..a14ffec65 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_4_30_color_pattern_meter.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_4_30_color_pattern_meter.anim
@@ -13,7 +13,7 @@ palette vue_meter_palette = [
 ]
 
 # Define a color palette pattern for 'vue_meter_palette'
-color rainbow_rich_color = rich_palette(palette=vue_meter_palette, cycle_period=0, transition_type=LINEAR)
+color rainbow_rich_color = rich_palette(colors=vue_meter_palette, cycle_period=0, transition_type=LINEAR)
 
 # Define a sawtooth value from 0% to 100%
 set level = sawtooth(min_value = 0%, max_value=100%, duration = 2s)
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_4_35_color_pattern_meter_random.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_4_35_color_pattern_meter_random.anim
index 60ef64b30..c8a3e2676 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_4_35_color_pattern_meter_random.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_4_35_color_pattern_meter_random.anim
@@ -24,7 +24,7 @@ palette vue_meter_palette = [
 ]
 
 # Define a color palette pattern for 'vue_meter_palette'
-color rainbow_rich_color = rich_palette(palette=vue_meter_palette, cycle_period=0, transition_type=LINEAR)
+color rainbow_rich_color = rich_palette(colors=vue_meter_palette, cycle_period=0, transition_type=LINEAR)
 
 # Define a vue-meter based on all elements above
 animation back = palette_meter_animation(color_source = rainbow_rich_color, level = rand_meter())
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_5_40_cylon_rainbow.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_5_40_cylon_rainbow.anim
index 5db22a77a..d8c303423 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_5_40_cylon_rainbow.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_5_40_cylon_rainbow.anim
@@ -16,7 +16,7 @@ run stars
 
 # We can combine a dynamic 'pos' value with a dynamic 'color'
 animation back = beacon_animation(
-    color = rich_palette(palette=PALETTE_RAINBOW_W2, cycle_period=5s)
+    color = rich_palette(colors=PALETTE_RAINBOW_W2, cycle_period=5s)
     pos = cosine_osc(min_value = -1, max_value = strip_len - 2, duration = 5s)
     beacon_size = 3       # small 3 pixels eye
     slew_size = 2         # with 2 pixel shading around
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_5_50_cylon_as_opacity.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_5_50_cylon_as_opacity.anim
index b9462f1a8..e1e787c75 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_5_50_cylon_as_opacity.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_5_50_cylon_as_opacity.anim
@@ -8,7 +8,7 @@ set strip_len = strip_length()
 # Define a pattern that goes from red to blue to red across the strip
 palette red_blue_red_palette = [ red, 0x3333FF, red ]
 # Embed this raw palette into a rich_palette color provider
-color red_blue_red_color = rich_palette(palette=red_blue_red_palette)
+color red_blue_red_color = rich_palette(colors=red_blue_red_palette)
 
 # Define a moving beacon to be used as an opacity mask
 animation moving_eye = beacon_animation(
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_6_20_shutter_rotating_colors.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_6_20_shutter_rotating_colors.anim
index cb79f842a..cfd6f1a3a 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_6_20_shutter_rotating_colors.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_6_20_shutter_rotating_colors.anim
@@ -12,8 +12,8 @@ set shutter_size = sawtooth(min_value = 0, max_value = strip_len,
 
 # Define 2 color providers cycling through palette rainbow with white
 # 'col2' is shifted by 1 color from 'col1'
-color col1 = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=0)
-color col2 = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color col1 = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=0)
+color col2 = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=0)
 col2.next = 1           # Writing 1 to 'next' actually advances the color
 
 # Using beacon_animation to move a shutter from left to right
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_6_30_shutter_central_rotating_colors.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_6_30_shutter_central_rotating_colors.anim
index e78c061c6..4fca327c4 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_6_30_shutter_central_rotating_colors.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_6_30_shutter_central_rotating_colors.anim
@@ -13,8 +13,8 @@ set shutter_size = sawtooth(min_value = 0, max_value = strip_len,
 
 # Define 2 color providers cycling through palette rainbow with white
 # 'col2' is shifted by 1 color from 'col1'
-color col1 = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=0)
-color col2 = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color col1 = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=0)
+color col2 = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=0)
 col2.next = 1           # Writing 1 to 'next' actually advances the color
 
 # Using beacon_animation to move a shutter from in to out
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_6_40_shutter_central_inoutin.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_6_40_shutter_central_inoutin.anim
index c3fe34f0c..9eb25cfac 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_6_40_shutter_central_inoutin.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_6_40_shutter_central_inoutin.anim
@@ -13,8 +13,8 @@ set shutter_size = sawtooth(min_value = 0, max_value = strip_len,
 
 # Define 2 color providers cycling through palette rainbow with white
 # 'col2' is shifted by 1 color from 'col1'
-color col1 = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=0)
-color col2 = color_cycle(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color col1 = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=0)
+color col2 = color_cycle(colors=PALETTE_RAINBOW_W, cycle_period=0)
 col2.next = 1           # Writing 1 to 'next' actually advances the color
 
 # Using beacon_animation to move a shutter from in to out
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_7_40_crenel_colors.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_7_40_crenel_colors.anim
index 2567887f4..95cc99b21 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_7_40_crenel_colors.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_7_40_crenel_colors.anim
@@ -1,7 +1,7 @@
 # @desc Crenel static with variable color
 
 # Define a color attribute that cycles over time, cycle is 5 seconds
-color rainbow_color = rich_palette(palette=PALETTE_RAINBOW_W2, cycle_period=5s)
+color rainbow_color = rich_palette(colors=PALETTE_RAINBOW_W2, cycle_period=5s)
 
 # Define a simple crenel 2+2
 animation back = crenel_animation(
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_7_50_crenel_opacity.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_7_50_crenel_opacity.anim
index 1ef3d328c..0a8fd8ece 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_7_50_crenel_opacity.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_7_50_crenel_opacity.anim
@@ -13,7 +13,7 @@ animation mask = crenel_animation(
 )
 
 # Define a smooth palette using PALETTE_RAINBOW_W (7 colors + white)
-color rainbow_rich_color = rich_palette(palette=PALETTE_RAINBOW_W, cycle_period=0)
+color rainbow_rich_color = rich_palette(colors=PALETTE_RAINBOW_W, cycle_period=0)
 # Define a gradient across the whole strip and use crenel as opacity mask
 animation pattern = palette_gradient_animation(
     color_source = rainbow_rich_color       # use the rainow pattern
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_8_10_template_cylon_simple.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_8_10_template_cylon_simple.anim
index ed51f8ef9..9606891f8 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_8_10_template_cylon_simple.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_8_10_template_cylon_simple.anim
@@ -1,9 +1,11 @@
-# @desc Cylon-style scanning eye using template with customizable color
+# @desc Template example fir Cylon-style scanning eye
 
+# Define a full template with parameters: eye_color, back_color, period, priority
 template animation cylon_eye {
   param eye_color type color default red
   param back_color type color default transparent
   param period type time default 5s
+  param priority default 5
 
   set strip_len = strip_length()
 
@@ -13,11 +15,11 @@ template animation cylon_eye {
     pos = cosine_osc(min_value = -1, max_value = strip_len - 2, duration = period)
     beacon_size = 3       # small 3 pixels eye
     slew_size = 2         # with 2 pixel shading around
-    priority = 5
+    priority = priority
   )
 
   run eye_animation
 }
 
 animation eye = cylon_eye()
-run eye
+run eye
\ No newline at end of file
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_8_20_template_color_cycle.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_8_20_template_color_cycle.anim
new file mode 100644
index 000000000..07b14638f
--- /dev/null
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_8_20_template_color_cycle.anim
@@ -0,0 +1,23 @@
+# @desc Rainbow colors cycling with custom palette
+
+# Define a full template with parameters: colors, cycle_period
+template animation color_cycle2 {
+    param colors type palette
+    param cycle_period default 5s
+
+    # Define a color attribute that cycles over time, cycle is 5 seconds
+    color rainbow_color = color_cycle(colors=colors, cycle_period=cycle_period)
+
+    # Define a solid background with this dynamic color
+    animation back = solid(color=rainbow_color)
+    run back
+}
+
+palette rgb = [
+  0xFC0000        # Red
+  0x00FF00        # Green
+  0x0080FF        # Blue
+]
+
+animation main = color_cycle2(colors = rgb, cycle_period = 2s)
+run main
\ No newline at end of file
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_8_21_template_shutter_bidir_flags.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_8_21_template_shutter_bidir_flags.anim
deleted file mode 100644
index c9a781c2c..000000000
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_8_21_template_shutter_bidir_flags.anim
+++ /dev/null
@@ -1,65 +0,0 @@
-# @desc Bidirectional shutter effect with rainbow colors
-
-template animation shutter_bidir {
-  param colors type palette
-  param period default 5s
-
-  set strip_len = strip_length()
-  set shutter_size = sawtooth(min_value = 0, max_value = strip_len, duration = period)
-
-  color col1 = color_cycle(palette=colors, cycle_period=0)
-  color col2 = color_cycle(palette=colors, cycle_period=0)
-  col2.next = 1
-
-  # shutter moving from left to right
-  animation shutter_lr_animation = beacon_animation(
-    color = col2
-    back_color = col1
-    pos = 0
-    beacon_size = shutter_size
-    slew_size = 0
-    priority = 5
-  )
-
-  # shutter moving from right to left
-  animation shutter_rl_animation = beacon_animation(
-    color = col1
-    back_color = col2
-    pos = 0
-    beacon_size = strip_len - shutter_size
-    slew_size = 0
-    priority = 5
-  )
-
-  sequence shutter_seq repeat forever {
-    repeat col1.palette_size times {
-      restart shutter_size
-      play shutter_lr_animation for period
-      col1.next = 1
-      col2.next = 1
-    }
-    repeat col1.palette_size times {
-      restart shutter_size
-      play shutter_rl_animation for period
-      col1.next = 1
-      col2.next = 1
-    }
-  }
-  
-  run shutter_seq
-}
-
-# define a palette of rainbow colors including white with constant brightness
-palette rainbow_with_white = [
-  0xFC0000        # Red
-  0xFF8000        # Orange
-  0xFFFF00        # Yellow
-  0x00FF00        # Green
-  0x00FFFF        # Cyan
-  0x0080FF        # Blue
-  0x8000FF        # Violet
-  0xCCCCCC        # White
-]
-
-animation main = shutter_bidir(colors = rainbow_with_white, period = 1.5s)
-run main
diff --git a/lib/libesp32/berry_animation/anim_tutorials/chap_8_22_template_shutter_bidir.anim b/lib/libesp32/berry_animation/anim_tutorials/chap_8_30_template_shutter_bidir_flags.anim
similarity index 61%
rename from lib/libesp32/berry_animation/anim_tutorials/chap_8_22_template_shutter_bidir.anim
rename to lib/libesp32/berry_animation/anim_tutorials/chap_8_30_template_shutter_bidir_flags.anim
index 725c1c591..7f050e7ab 100644
--- a/lib/libesp32/berry_animation/anim_tutorials/chap_8_22_template_shutter_bidir.anim
+++ b/lib/libesp32/berry_animation/anim_tutorials/chap_8_30_template_shutter_bidir_flags.anim
@@ -1,24 +1,26 @@
-# @desc Advanced shutter template with ascending/descending flags
+# @desc Template to illustrate the parameters and flags
 
+# Define a template to package the shutter in-out-in from 6.40
+# with flags to enable or disable in-out or out-in
 template animation shutter_bidir {
   param colors type palette
   param period default 2s
-  param ascending type bool default true    # define to true to enable 'ascending' part
-  param descending type bool default true   # define to true to enable 'descending' part
+  param inout type bool default true    # define to true to enable 'inout' part
+  param outin type bool default true   # define to true to enable 'outin' part
 
   # since 'strip_length()' is a value provider, it must be assigned to a variable before being used
   set strip_len = strip_length()
 
-  # animated value for the size of the shutter, evolving linearly in time (sawtooth from 0% to 100%)
+  # Define animated value for the size of the shutter, evolving linearly in time (sawtooth from 0% to 100%)
   set shutter_size = sawtooth(min_value = 0, max_value = strip_len, duration = period)
 
-  # define two rotating palettes, shifted by one color
-  color col1 = color_cycle(palette=colors, cycle_period=0)
-  color col2 = color_cycle(palette=colors, cycle_period=0)
+  # Define two rotating palettes, shifted by one color
+  color col1 = color_cycle(colors=colors, cycle_period=0)
+  color col2 = color_cycle(colors=colors, cycle_period=0)
   col2.next = 1     # move 'col2' to the next color so it's shifte by one compared to 'col1'
 
-  # shutter moving in ascending
-  animation shutter_lr_animation = beacon_animation(
+  # Shutter moving in in-out
+  animation shutter_inout_animation = beacon_animation(
     color = col2
     back_color = col1
     pos = 0
@@ -27,8 +29,8 @@ template animation shutter_bidir {
     priority = 5
   )
 
-  # shutter moving in descending
-  animation shutter_rl_animation = beacon_animation(
+  # shutter moving in out-in
+  animation shutter_outin_animation = beacon_animation(
     color = col1
     back_color = col2
     pos = 0
@@ -40,24 +42,23 @@ template animation shutter_bidir {
   # this is the overall sequence composed of two sub-sequences
   # the first in ascending mode, the second in descending
   sequence shutter_seq repeat forever {
-    if ascending {                              # un only if 'ascending' is true
+    if inout {                              # un only if 'ascending' is true
       repeat col1.palette_size times {          # run the shutter animation
         restart shutter_size                    # resync all times for this animation, to avoid temporal drift
-        play shutter_lr_animation for period    # run the animation
+        play shutter_inout_animation for period    # run the animation
         col1.next = 1                           # then move to next color for both palettes
         col2.next = 1
       }
     }
-    if descending {                             # run only if 'descending' is true
+    if outin {                             # run only if 'descending' is true
       repeat col1.palette_size times {
         restart shutter_size
-        play shutter_rl_animation for period
+        play shutter_outin_animation for period
         col1.next = 1
         col2.next = 1
       }
     }
   }
-  
   run shutter_seq
 }
 
@@ -74,4 +75,4 @@ palette rainbow_with_white = [
 ]
 
 animation main = shutter_bidir(colors = rainbow_with_white, period = 1.5s)
-run main
+run main
\ No newline at end of file
diff --git a/lib/libesp32/berry_animation/anim_tutorials/png/chap_8_10.png b/lib/libesp32/berry_animation/anim_tutorials/png/chap_8_10.png
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diff --git a/lib/libesp32/berry_animation/anim_tutorials/png/chap_8_20.png b/lib/libesp32/berry_animation/anim_tutorials/png/chap_8_20.png
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diff --git a/lib/libesp32/berry_animation/anim_tutorials/png/chap_8_30.png b/lib/libesp32/berry_animation/anim_tutorials/png/chap_8_30.png
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diff --git a/lib/libesp32/berry_animation/src/providers/color_cycle_color_provider.be b/lib/libesp32/berry_animation/src/providers/color_cycle_color_provider.be
index 0f0fd6e70..31ecc36e2 100644
--- a/lib/libesp32/berry_animation/src/providers/color_cycle_color_provider.be
+++ b/lib/libesp32/berry_animation/src/providers/color_cycle_color_provider.be
@@ -31,9 +31,6 @@ class ColorCycleColorProvider : animation.color_provider
   # @param engine: AnimationEngine - Reference to the animation engine (required)
   def init(engine)
     super(self).init(engine)  # Initialize parameter system
-
-    # Set the default palette
-    self.palette = animation.PALETTE_RAINBOW
     
     # Initialize non-parameter instance variables
     self.current_index = 0      # Start at first color
@@ -71,7 +68,12 @@ class ColorCycleColorProvider : animation.color_provider
     if name == "palette_size"
       return self._get_palette_size()
     else
-      return super(self).member(name)
+      var val = super(self).member(name)
+      # If 'palette' is 'nil', default to 'animation.PALETTE_RAINBOW'
+      if name == "palette" && val == nil
+        val = animation.PALETTE_RAINBOW
+      end
+      return val
     end
   end
 
diff --git a/lib/libesp32/berry_animation/src/solidify/solidified_animation.h b/lib/libesp32/berry_animation/src/solidify/solidified_animation.h
index f247030bb..b56c81477 100644
--- a/lib/libesp32/berry_animation/src/solidify/solidified_animation.h
+++ b/lib/libesp32/berry_animation/src/solidify/solidified_animation.h
@@ -3744,9 +3744,9 @@ static const bvalue be_ktab_class_ColorCycleColorProvider[27] = {
   /* K19  */  be_nested_str_weak(next),
   /* K20  */  be_nested_str_weak(_adjust_index),
   /* K21  */  be_nested_str_weak(member),
-  /* K22  */  be_nested_str_weak(init),
-  /* K23  */  be_nested_str_weak(animation),
-  /* K24  */  be_nested_str_weak(PALETTE_RAINBOW),
+  /* K22  */  be_nested_str_weak(animation),
+  /* K23  */  be_nested_str_weak(PALETTE_RAINBOW),
+  /* K24  */  be_nested_str_weak(init),
   /* K25  */  be_nested_str_weak(get),
   /* K26  */  be_const_int(-16777216),
 };
@@ -4003,21 +4003,28 @@ be_local_closure(class_ColorCycleColorProvider_member,   /* name */
     &be_ktab_class_ColorCycleColorProvider,     /* shared constants */
     be_str_weak(member),
     &be_const_str_solidified,
-    ( &(const binstruction[14]) {  /* code */
+    ( &(const binstruction[21]) {  /* code */
       0x1C08030F,  //  0000  EQ	R2	R1	K15
       0x780A0003,  //  0001  JMPF	R2	#0006
       0x8C080101,  //  0002  GETMET	R2	R0	K1
       0x7C080200,  //  0003  CALL	R2	1
       0x80040400,  //  0004  RET	1	R2
-      0x70020006,  //  0005  JMP		#000D
+      0x7002000D,  //  0005  JMP		#0014
       0x60080003,  //  0006  GETGBL	R2	G3
       0x5C0C0000,  //  0007  MOVE	R3	R0
       0x7C080200,  //  0008  CALL	R2	1
       0x8C080515,  //  0009  GETMET	R2	R2	K21
       0x5C100200,  //  000A  MOVE	R4	R1
       0x7C080400,  //  000B  CALL	R2	2
-      0x80040400,  //  000C  RET	1	R2
-      0x80000000,  //  000D  RET	0
+      0x1C0C030D,  //  000C  EQ	R3	R1	K13
+      0x780E0004,  //  000D  JMPF	R3	#0013
+      0x4C0C0000,  //  000E  LDNIL	R3
+      0x1C0C0403,  //  000F  EQ	R3	R2	R3
+      0x780E0001,  //  0010  JMPF	R3	#0013
+      0xB80E2C00,  //  0011  GETNGBL	R3	K22
+      0x88080717,  //  0012  GETMBR	R2	R3	K23
+      0x80040400,  //  0013  RET	1	R2
+      0x80000000,  //  0014  RET	0
     })
   )
 );
@@ -4116,22 +4123,19 @@ be_local_closure(class_ColorCycleColorProvider_init,   /* name */
     &be_ktab_class_ColorCycleColorProvider,     /* shared constants */
     be_str_weak(init),
     &be_const_str_solidified,
-    ( &(const binstruction[15]) {  /* code */
+    ( &(const binstruction[12]) {  /* code */
       0x60080003,  //  0000  GETGBL	R2	G3
       0x5C0C0000,  //  0001  MOVE	R3	R0
       0x7C080200,  //  0002  CALL	R2	1
-      0x8C080516,  //  0003  GETMET	R2	R2	K22
+      0x8C080518,  //  0003  GETMET	R2	R2	K24
       0x5C100200,  //  0004  MOVE	R4	R1
       0x7C080400,  //  0005  CALL	R2	2
-      0xB80A2E00,  //  0006  GETNGBL	R2	K23
-      0x88080518,  //  0007  GETMBR	R2	R2	K24
-      0x90021A02,  //  0008  SETMBR	R0	K13	R2
-      0x90020903,  //  0009  SETMBR	R0	K4	K3
-      0x88080110,  //  000A  GETMBR	R2	R0	K16
-      0x8C0C0101,  //  000B  GETMET	R3	R0	K1
-      0x7C0C0200,  //  000C  CALL	R3	1
-      0x980A1E03,  //  000D  SETIDX	R2	K15	R3
-      0x80000000,  //  000E  RET	0
+      0x90020903,  //  0006  SETMBR	R0	K4	K3
+      0x88080110,  //  0007  GETMBR	R2	R0	K16
+      0x8C0C0101,  //  0008  GETMET	R3	R0	K1
+      0x7C0C0200,  //  0009  CALL	R3	1
+      0x980A1E03,  //  000A  SETIDX	R2	K15	R3
+      0x80000000,  //  000B  RET	0
     })
   )
 );