Wikipedia
Zooppa
Zooppa is a global social network for creative talent that partners with brands and agencies to launch user-generated advertising projects. Inspired by the principles of crowdsourcing, Zooppa’s website hosts brand sponsored advertising projects. In competition for cash payments, filmmakers, graphic designers, and other creatives submit their original ads in response to a client's brief. These ads can take various formats including video, print, banners, concepts, and audio.