diff --git a/README.md b/README.md
index 84cb2be..e158392 100644
--- a/README.md
+++ b/README.md
@@ -5,17 +5,17 @@ Based on https://github.com/schnensch0/ziro <br>
 Copyright © 2023 Motschen - MIT License<br>
 
 
-![Dream](preview/dream.png)
+![Dream](preview/dream.jpg)
 
-![Water](preview/water.png)
+![Water](preview/water.jpg)
 
-![Lush](preview/lush.png)
+![Lush](preview/lush.jpg)
 
-![Sun](preview/sun.png)
+![Sun](preview/sun.jpg)
 
-![Sunset](preview/sunset.png)
+![Sunset](preview/sunset.jpg)
 
-![Mercy](preview/mercy.png)
+![Mercy](preview/mercy.jpg)
 
 ![Missing Lyrics](preview/missing_lyrics.gif)
 
diff --git a/manifest.json b/manifest.json
index 863d17d..db4ab98 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
     "name": "Retroblur",
     "description": "Theme with a background, blur, animations, gradients and reflections.",
-    "preview": "preview/dream.png",
+    "preview": "preview/dream.jpg",
     "usercss": "user.css",
     "schemes": "color.ini",
     "readme": "README.md"