skip non-image files in recent themes; fixes vichan-devel/vichan#185

templates/themes/recent/theme.php

@@ -65,7 +65,7 @@
 				if (isset($post['files']))
 					$files = json_decode($post['files']);
 
-                if ($files[0]->file == 'deleted') continue;
+                if ($files[0]->file == 'deleted' || $files[0]->thumb == 'file') continue;
 				
 				// board settings won't be available in the template file, so generate links now
 				$post['link'] = $config['root'] . $board['dir'] . $config['dir']['res']