To build interest in their new gallery, Art House, Steve Peterman and Shane Zucker came up with a simple, subversive idea: an art show open to anyone. Called "A Million Little Pictures," the project allowed anyone, anywhere, to request a disposable camera from the gallery, snap some shots, and return it to have their work displayed at the show. The project was a smash hit: With such a low barrier to participation, the cameras didn’t come close to fulfilling demand. “One of the charms is that you don’t have to be an artist,” says Peterman. But what came back in the mail was art, striking snapshots from people in almost every state. Art House, based in Decatur, Georgia, recently displayed a second installment, on the theme of “family.” And more shows are on the way—Peterman and Zucker plan to take the project on the road next summer.