Power To The Poster is a graphic design democracy project. Designers submit their posters hoping to make difference and get their voices out there, no matter what the cause.
"This website is for people to use a ready supply of well-designed, wild postings that comment on the issues of our time. These 11x17 posters in PDF format are for anyone, anywhere to download, print and post."
For those of you interested in contributing, poster submission are accepted until the 1st of May, 2009. Check it out.