diff --git a/README.md b/README.md
index 16a970c..162ec20 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@
 
 * Make features usable from a touch screen menu
 
-![IMG_20231125_011054](https://static.luniks.net/GitBucket/avrtft/IMG_20231125_011054)
+![IMG_20231125_011054](https://static.luniks.net/GitBucket/avrtft/IMG_20231125_011054.jpg)
 
 ## Write something via USART
 
@@ -53,7 +53,7 @@
 
 Emojis are entered with a tabulation char + their "code", i.e. `Smile!<TAB>s` for a smiling emoji.
 
-![IMG_20231129_004922](https://static.luniks.net/GitBucket/avrtft/IMG_20231129_004922)
+![IMG_20231129_004922](https://static.luniks.net/GitBucket/avrtft/IMG_20231129_004922.jpg)
 
 ## Convert and write images to SD card
 
@@ -74,7 +74,7 @@
 But still it is fun and it should be possible to create an application 
 supporting touch with reliable usability. 
 
-![IMG_20240103_134738](https://static.luniks.net/GitBucket/avrtft/IMG_20240103_134738)
+![IMG_20240103_134738](https://static.luniks.net/GitBucket/avrtft/IMG_20240103_134738.jpg)
 
 ## Larger (up to 800x480) TTL displays
 
@@ -83,4 +83,4 @@
 as well. Here it is combined with the [SparkFun Level Shifting microSD Breakout](https://www.sparkfun.com/products/13743) 
 to read images from an SD card, advancing to the next image by touching the screen.
 
-![IMG_20240704_214710](https://static.luniks.net/GitBucket/avrtft/IMG_20240704_214710)
+![IMG_20240704_214710](https://static.luniks.net/GitBucket/avrtft/IMG_20240704_214710.jpg)