highly dynamic community site (made with Drupal)

I want a 100% DRUPAL website where everyone can post medias (flash animations/cartoons, text jokes, little videos, funny sounds,etc.) Main features are : - most recent items posted - most downloaded items - view by category (flash, sounds, text, video) - popup-player to view/read/hear the item - email to a friend button Here are a few examples of the type of site I'm trying to create : [login to view URL] [login to view URL]