Notable works Film 1995 - Kids, about teenagers, sexual behavior, AIDS, smoking cannabis. 2001 - Bully; about teenagers plotting the murder of one of their own. Based on true events. 2002 - Ken Park; with teenagers played by young adults: Peaches (Tiffany Limos), Tate (James Ransone), Claude (Stephen Jasso) and Shawn (James Bullard); it contains some explicit sexual behavior (Clark:"I decided that I wasn’t going to turn the camera away, or shut the door, or shoot from the waist up."). It takes place in the rural town of Visalia, California; it portrays suicide, murder, parental violence, alcoholism, smoking cannabis, skateboarding, weight-lifting, incestuous sexual assault by a homophobic father of his sleeping son, BDSM, solo strangling sex, religious fanaticism, a fake marriage of a father with his daughter, a boy having sex with his girlfriend's mother, with at the end an idyllic sex scene with two of the boys and the girl. (banned in Australia)