Is there a way with 1.5 to force this to happen? Someone kindly helped me out with version 1.4 by using a different file.php that caused this to happen. However
Configuration to force file download with nginx when a certain GET parameter is set, unless the file should be hidden.
Exploits Wordpress LFD
Coded by D3vice
It forces download, but gif file don't want to be downloaded!!! so I need to simply display them in MessageBox('Headers already sent, cannot force download!');