//Set some defaults - we have to do this after pulling owner settings, and we have to check for each setting
//individually. If we don't, we'll have problems if a user has set one, but not all options.
-$nav_bg = (empty($nav_bg) ? "#708fa0" : $nav_bg);
-$nav_icon_color = (empty($nav_icon_color) ? "#fff" : $nav_icon_color);
-$link_color = (empty($link_color) ? "#6fdbe8" : $link_color);
-$bgcolor = (empty($bgcolor) ? "#ededed" : $bgcolor);
-$background_image = (empty($background_image) ? '' : $background_image);
-$modified = (empty($modified) ? time() : $modified);
+$nav_bg = (empty($nav_bg) ? "#708fa0" : $nav_bg);
+$nav_icon_color = (empty($nav_icon_color) ? "#fff" : $nav_icon_color);
+$link_color = (empty($link_color) ? "#6fdbe8" : $link_color);
+$bgcolor = (empty($bgcolor) ? "#ededed" : $bgcolor);
+// The background image can not be empty. So we use a dummy jpg if no image was set.
+$background_image = (empty($background_image) ? 'img/none.jpg' : $background_image);
+$modified = (empty($modified) ? time() :$modified);
$contentbg_transp = ((isset($contentbg_transp) && $contentbg_transp != "") ? $contentbg_transp : 100);