Obama poster photo effect?

Question: Obama poster photo effect!?

How do i make a photo effect like the obama poster http://i165!.photobucket!.com/albums/u54/c!.!.!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Posterise the image in Photoshop, transfer it to Illustrator and Livetrace it then you can change the fill colours or insert patterns!.Www@QuestionHome@Com