Online community riffing

[riffProject]

Being a big fan of Rifftrax and MST3k, I always wondered if I could be half as funny as Mike, Bill, or Kevin if I tried my hand at it. 

I also thought since a lot of people seem to be doing this for themselves now, perhaps an application that lets you collaborate/compete on short videos would be fun.  I started building a video player that synchs uploaded audio to videos, but then wondered whether this hasn't been done before.  It almost seems too obvious, but I couldn't find anything of the sort online.

I'm having fun tinkering with it at the moment, but it's only a few days old and most of the functionality is yet to be built.  So I was curious if this sounds interesting to anyone, or whether the whole concept is worthwhile.  If the community here thinks it's a good idea, I'll try devoting more time to it and see if I can't get a demo up and running.  I'd be really excited to set something up and see what funny stuff pops up over time.  Any thoughts?

Thanks!