If they are hosting their own videos, then i doubt you would be able to achieve the required bandwidth required in order to have your own video hosting site.

Alternatively, you could use the youtube, avatars, star-rating plugins in alliance and you would have most of the functionality that site has.

n00b4g3, i sense.

Does he realize you can't just choose a site and have it flick up for you?

I suggest if you have a credit card you find a host with a domain included, cPanel and Fantastico. Then use fantastico to set up somesort of content manager and then you can use those youtube scripts to have the players on your site.

Offtopic; Geeze i must be newb, i can't even decipher n00b4g3 ;)