Moveon.org holds user-generated ad contest for Obama

You can submit your 30-second video to this link by April 1.

Judges include: Ben Affleck, Steve Buscemi, Matt Damon, Donna Edwards, Michael Franti, Adrian Grenier, Ted Hope, Jesse Jackson, Rory Kennedy, John Legend, Larry Lessig, Moby, Markos Moulitsas (daily kos), Tom Ortenberg, Heather Rae, James Schamus, Russell Simmons, DJ Spooky, Ricki Stern, Julia Stiles, Oliver Stone, Annie Sundberg, Eddie Vedder, Naomi Wolff.