Despite MTV's bombardment of asinine popcorn reality shows, one thing usually still pleases and that's the MTV Movie Awards. During last night's show, Ben Stiller, Robert Downey Jr. and Jack Black teamed up to film a promo skit for "Tropic Thunder," opening this summer. It's a hilarious clip of them trying to shoot a viral video to promote the film. Click 'play' below to check it out.