diff --git a/_subsections/chapter02.org b/_subsections/chapter02.org
index 5f57950..1381276 100644
--- a/_subsections/chapter02.org
+++ b/_subsections/chapter02.org
@@ -5,7 +5,7 @@
 - [[../photoshop-for-complete-beginners.org][TOC | Photoshop for Beginners]]
 
 * types of layers
-** [[https://youtu.be/unCS9syPJjg?si=zsF_a0d8zk9GeKH1&t=2646][adjustment layers]]
+** adjustment layers
 *** adjust the layers beneath theme
 - you can use selection tool to select a portion of the image
 - then hit 'create new fill or adjustment layer'
diff --git a/_subsections/chapter03.org b/_subsections/chapter03.org
index 0947bb3..fedb09e 100644
--- a/_subsections/chapter03.org
+++ b/_subsections/chapter03.org
@@ -106,7 +106,8 @@ changing the underlying layer slider will affect what gets show but on the graid
 *** choose a filter
 
 - from Layers->blending mode pick color dodge
-- [[../_share/media/img/photoshop-beg-piximperfect/blending mode.jpg]]
+  #+attr_html: :width 400px
+ [[file:../_share/media/img/photoshop-beg-piximperfect/blending mode.jpg]]
 
 *** filter types
 a. darken group:
@@ -161,14 +162,14 @@ b. lighter group:
 
 ** make the background warmer
 *** duplicate background
-- C+j
+- =Cmd + J=
 - convert to smart layer / Filter-> convert smart filters
 
 *** add filter
 - click on Filters->Camera Raw
 - in the Camera Raw editor panel, click Color
 - now adjust the Temperature
--
+  #+attr_html: :width 400px
   [[../_share/media/img/cameraraw-color-temperature.jpg]]
 
 ** layer styles
diff --git a/_subsections/chapter04.org b/_subsections/chapter04.org
index e51e98e..cfe128f 100644
--- a/_subsections/chapter04.org
+++ b/_subsections/chapter04.org
@@ -8,7 +8,6 @@
 - [[../photoshop-for-complete-beginners.org][TOC | Photoshop for Beginners]]
 
 *** timestamps
-*** timestamp
 :PROPERTIES:
 :CUSTOM_ID: timestamp
 :END:
diff --git a/_subsections/chapter05.org b/_subsections/chapter05.org
index 56465be..4d70d84 100644
--- a/_subsections/chapter05.org
+++ b/_subsections/chapter05.org
@@ -8,7 +8,11 @@
 - [[../photoshop-for-complete-beginners.org][TOC | Photoshop for Beginners]]
 - [[https://bit.ly/3LLKKVH][Downloadable Practice Files]]
 
-*** timestamp
+*** timestamps
+:PROPERTIES:
+:CUSTOM_ID: timestamp
+:END:
+
 #+ATTR_HTML: :class playlist
 + [[https://www.youtube.com/watch?v=doI1eH_nCxs&list=PLLlSBGLVsEPIFGSGw2zJ2K43V5vxMMMTE&index=5&t=0s][00:00 What are Blend Modes?]]
 + [[https://www.youtube.com/watch?v=doI1eH_nCxs&list=PLLlSBGLVsEPIFGSGw2zJ2K43V5vxMMMTE&index=5&t=67s][01:07 Important Announcements]]
diff --git a/photoshop-for-complete-beginners.org b/photoshop-for-complete-beginners.org
index ec756a5..7f690ce 100644
--- a/photoshop-for-complete-beginners.org
+++ b/photoshop-for-complete-beginners.org
@@ -11,6 +11,10 @@
 - [[https://www.youtube.com/playlist?list=PLLlSBGLVsEPIFGSGw2zJ2K43V5vxMMMTE][youtube playlist: PiXimperfect]]
 
 *** Playlist
+:PROPERTIES:
+:CUSTOM_ID: playlist
+:END:
+
 #+ATTR_HTML: :class playlist
 - [[https://www.youtube.com/watch?v=xTzvQkOll2U&list=PLLlSBGLVsEPIFGSGw2zJ2K43V5vxMMMTE&index=1][Lesson 1 - Photoshop for Complete Beginners]]
 - [[https://www.youtube.com/watch?v=unCS9syPJjg&list=PLLlSBGLVsEPIFGSGw2zJ2K43V5vxMMMTE&index=2][Lesson 2 - Master Layers]]