diff --git a/index.php b/index.php
index ca853d8..6e177d6 100644
--- a/index.php
+++ b/index.php
@@ -8,8 +8,8 @@ $GLOBALS['config']['private'] = true;
 $GLOBALS['config']['maxErrorBeforeBan'] = 3;
 $GLOBALS['config']['banTime'] = 60;
 $GLOBALS['config']['defaultUrl'] = 'https://google.com';
-$GLOBALS['config']['defaultThumbSize'] = '300x240';
-$GLOBALS['config']['thumbSize'] = array(1 => '100x80', '200x160', '300x240', '400x320', '500x400');
+$GLOBALS['config']['defaultThumbSize'] = '120x90';
+$GLOBALS['config']['thumbSize'] = array(1 => '100x80', '120x90', '200x160', '300x240', '400x320', '500x400');
 
 if (!file_exists('cache/config/genConf.php')) {
   install();