Cracked pays people to make smart memes. Visit the Photoplasty and Pictofacts Workshop to get in on it.
Creative people have to deal with rejection all the time. Something else they do all the time is take a rejected creation from one movie or show and roll it right into an even better movie or show.
So everywhere you look, music, plots, dialog, costumes, character designs, and more from super-famous entertainment are actually the rejects from a completely different thing.