People for the Ethical Treatment of Animals (PETA) raised more than eyebrows when it launched its porn website, featuring risqué ad campaigns alongside hidden-camera footage of animal cruelty. Now, PETA is turning heads again with new campaigns against the killing of seals, snakes and other animals. Hollywood celebrities who have featured in racy PETA ads include Maggie Q, Charlize Theron, Anna Nicole Smith and Pamela Anderson. Here are some unique pictures of PETA protests in the last decade.