diff --git a/e107_themes/landingzero/preview_default.jpg b/e107_themes/landingzero/preview_default.jpg
new file mode 100644
index 000000000..88bd1de2d
Binary files /dev/null and b/e107_themes/landingzero/preview_default.jpg differ
diff --git a/e107_themes/landingzero/preview_default.png b/e107_themes/landingzero/preview_default.png
deleted file mode 100644
index 874f6ec03..000000000
Binary files a/e107_themes/landingzero/preview_default.png and /dev/null differ
diff --git a/e107_themes/landingzero/preview_onepage.jpg b/e107_themes/landingzero/preview_onepage.jpg
new file mode 100644
index 000000000..260d233fe
Binary files /dev/null and b/e107_themes/landingzero/preview_onepage.jpg differ
diff --git a/e107_themes/landingzero/preview_onepage.png b/e107_themes/landingzero/preview_onepage.png
deleted file mode 100644
index c8e6c7b8a..000000000
Binary files a/e107_themes/landingzero/preview_onepage.png and /dev/null differ
diff --git a/e107_themes/landingzero/theme.xml b/e107_themes/landingzero/theme.xml
index c2ca616a2..4c28afa0f 100644
--- a/e107_themes/landingzero/theme.xml
+++ b/e107_themes/landingzero/theme.xml
@@ -14,8 +14,8 @@
 		<word>video</word>
 	</keywords>
 	<screenshots>
-		<image>preview_default.png</image>
-		<image>preview_onepage.png</image>
+		<image>preview_default.jpg</image>
+		<image>preview_onepage.jpg</image>
 	</screenshots>
 	<stylesheets>
 		<css file="style.css" name="Default"  />