[youtube] Video Contest

[crossroad]

I'm looking for an Extension or combination of extensions to create a video contest on my website. I've installed Community Builder for the user profiles but dont have to keep it if there is a better option.

The features that I'd like to have are:

The ability for users to submit [youtube] videos (to enter the contest).

Videos catagorized in groups (contests).

Voting on or rating of videos within those groups (to determin a winner).

Time frames for the voting (a single contest cant go on forever).

The videos submitted by a user will show up on the users profile.

Seperate page will display the vidoes of a specific contest in random order.

I have other featurs that I'd like, but these are the most important. Any suggestions will greatly be appreciated. Thanks!