video problem afther upgrade

[kaleido]

hi to all.
i uploaded coppermine to the last release but i have problem to the video file.

firefox open a blank mask and not riproduce the video

the site is here
http://www.mondocosplay.it/newgall/index.php

tnx to all for help

[Αndré]

Try to turn off http://documentation.coppermine-gallery.net/en/configuration.htm#admin_thumbnail_to_fullsize