Index: include/func/func.image.php
@@ -966,7 +966,7 @@
             $new_image,
             array(
                 'is_copied' => true,
-                'filename'  => basename($new_image['file_path']).'.png',
+                'filename'  => basename($new_image['file_path']).'.jpg',
                 'source'    => 'L',
                 'id'        => $id,
                 'type'      => $to_type,
@@ -1162,7 +1162,7 @@
         return false;
     }
 
-    $res = func_imagepng($_image, $new_file);
+    $res = func_imagejpeg($_image, $new_file);
 
     if ($res === false) {
         @unlink($new_file);
@@ -1180,7 +1180,7 @@
         'image_x'       => $new_x,
         'image_y'       => $new_y,
         'image_size'    => func_filesize($new_file),
-        'image_type'    => 'image/png',
+        'image_type'    => 'image/jpeg',
     );
 }