Quote Originally Posted by paul_nicholls
Notice the highlighted file types allowed...

I hope this helps :-)
cheers,
Paul
You silly

Quote Originally Posted by dazappa
Won't accept mine xD tried winrar and 7zip; neither produced a zip your site liked. Tried with the filename containing underscores and without underscores. Filesize is 400kb; quite a bit less than the 24mb limit.

(Tried both lowercase and uppercase extension (zip) just to be sure too)
And it looks to me that zip is allowed