 "All the Dirt on A Dirty Shame" is a behind-the-scenes documentary about John Waters  sexploitation movie, "A Dirty Shame". In it, Waters, his cast and crew discuss everything from their love of shooting movies in Baltimore, various sex fetishes, its NC-17 rating, the prosthetics design of Selma Blair s breasts to insights on the origins and formation of the  Dreamlanders  and the history of sexploitation films.