diff --git a/slides/ws-video/slides.md b/slides/ws-video/slides.md
index ee41542cfa5b154fe919530c857b609195c8935b..8a8e7a00e935405f37095aec6151cd3a807f8d9a 100644
--- a/slides/ws-video/slides.md
+++ b/slides/ws-video/slides.md
@@ -215,10 +215,6 @@ https://commons.wikimedia.org/wiki/File:Color_temperature_black_body_800-12200K.
 
 |||
 
-<!-- .slide: data-background-image="https://downloads.blackmagicdesign.com/videos/products/blackmagicpocketcinemacamera/landing/bmraw/0x1u6zppa9/color-temp.mp4"-->
-
-|||
-
 ### Color Checker Card
 
 <img data-src="https://git.noc.ruhr-uni-bochum.de/makerspace/homepage/-/raw/main/slides/ws-video/color.jpg" width="100%"/>
@@ -230,7 +226,7 @@ https://commons.wikimedia.org/wiki/File:Color_temperature_black_body_800-12200K.
 - Hensel Intra LED
 - Color temperature: 5400K
 
-<img data-src="https://git.noc.ruhr-uni-bochum.de/makerspace/homepage/-/raw/main/slides/ws-video/led.jpg" width="75%"/>
+<img data-src="https://git.noc.ruhr-uni-bochum.de/makerspace/homepage/-/raw/main/slides/ws-video/led.jpg" width="50%"/>
 
 |||