MoveOn.org has a political ad contest.You don't have to be formally trained in the art of filmmaking, just ready, willing and able to create an ad that tells the truth about George Bush. All eligible submissions will be posted on this web site and rated by visitors. The top rated ads will then be voted on by a panel of judges.
http://www.bushin30seconds.org/
The winning entry, or derivative work of said entry, will be aired as part of a television advertising campaign funded by Sponsor.