EXCLUSIVE: Terry Zwigoff has signed with ICM Partners. Zwigoff is best known for directing the black comedies Bad Santa and Ghost World, as well as the heralded documentary Crumb, about the cartoonist Robert Crumb. Zwigoff, who had been with WME, most recently helmed for Amazon Studios Budding Prospects, about a group that disconnects and sets out to grow pot in the country. Zwigoff remains with attorney Robert Dern.