diff --git a/plugins/plugin_manager/plugin_list.cs b/plugins/plugin_manager/plugin_list.cs
index b53dcaa..532ab15 100644
--- a/plugins/plugin_manager/plugin_list.cs
+++ b/plugins/plugin_manager/plugin_list.cs
@@ -52,7 +52,7 @@
 				<?cs if:run_counter != all_count ?><a href="<?cs
 					call:link("plugin_manager", "plugin_name", name(x), "action", "down")
 					?>&amp;x=<?cs var:run_counter ?>#volume_plugins"><img 
-					src="icons/plugin_manager?image=tango-go-down.gif" alt="<?cs
+					src="icons/plugin_manager?image=tango-go-down.png" alt="<?cs
 					var:html_escape(Lang.Plugins.plugin_manager.Button.Down) ?>" 
 					title="<?cs var:html_escape(Lang.Plugins.plugin_manager.Button.Down) 
 					?>" /></a><?cs /if ?>
@@ -61,7 +61,7 @@
 				<?cs if:run_counter != 1 ?><a href="<?cs
 					call:link("plugin_manager", "plugin_name", name(x), "action", "up")
 					?>&amp;x=<?cs var:run_counter ?>#volume_plugins" ><img
-					src="icons/plugin_manager?image=tango-go-up.gif" alt="<?cs
+					src="icons/plugin_manager?image=tango-go-up.png" alt="<?cs
 					var:html_escape(Lang.Plugins.plugin_manager.Button.Up) ?>"
 					title="<?cs var:html_escape(Lang.Plugins.plugin_manager.Button.Up)
 					?>" /></a><?cs /if ?>
@@ -111,7 +111,7 @@
 				<?cs if:run_counter != all_count ?><a href="<?cs
 					call:link("plugin_manager", "plugin_name", name(x), "action", "down")
 					?>&amp;x=<?cs var:run_counter ?>#system_plugins"><img
-					src="icons/plugin_manager?image=tango-go-down.gif" alt="<?cs
+					src="icons/plugin_manager?image=tango-go-down.png" alt="<?cs
 					var:html_escape(Lang.Plugins.plugin_manager.Button.Down) ?>"
 					title="<?cs var:html_escape(Lang.Plugins.plugin_manager.Button.Down)
 					?>" /></a><?cs /if ?>
@@ -119,7 +119,7 @@
 				<?cs if:run_counter != 1 ?><a href="<?cs
 					call:link("plugin_manager", "plugin_name", name(x), "action", "up")
 					?>&amp;x=<?cs var:run_counter ?>#system_plugins" ><img
-					src="icons/plugin_manager?image=tango-go-up.gif" alt="<?cs
+					src="icons/plugin_manager?image=tango-go-up.png" alt="<?cs
 					var:html_escape(Lang.Plugins.plugin_manager.Button.Up) ?>"
 					title="<?cs var:html_escape(Lang.Plugins.plugin_manager.Button.Up)
 					?>" /></a><?cs /if ?>
diff --git a/plugins/plugin_manager/tango-go-down.gif b/plugins/plugin_manager/tango-go-down.gif
deleted file mode 100644
index 9071f8e..0000000
Binary files a/plugins/plugin_manager/tango-go-down.gif and /dev/null differ
diff --git a/plugins/plugin_manager/tango-go-down.png b/plugins/plugin_manager/tango-go-down.png
index 6a8566d..f228dcb 100644
Binary files a/plugins/plugin_manager/tango-go-down.png and b/plugins/plugin_manager/tango-go-down.png differ
diff --git a/plugins/plugin_manager/tango-go-up.gif b/plugins/plugin_manager/tango-go-up.gif
deleted file mode 100644
index 7fac7c3..0000000
Binary files a/plugins/plugin_manager/tango-go-up.gif and /dev/null differ
diff --git a/plugins/plugin_manager/tango-go-up.png b/plugins/plugin_manager/tango-go-up.png
index a1576db..645a82c 100644
Binary files a/plugins/plugin_manager/tango-go-up.png and b/plugins/plugin_manager/tango-go-up.png differ