Arresting influences

“Shepard Fairey: Supply and Demand’’ closes Aug. 16, and the Institute of Contemporary Art sweetens the deal with Films at the ICA. Four movies explore street art, hip-hop, and urban culture. “Bomb It,’’ a documentary by Jon Reiss, draws you into the world of graffiti culture. John Carpenter’s “They Live,’’ an influential film for Fairey, warns about the perils of corporate America. “Bomb It’’ screens today and tomorrow at 1:30 p.m.; “They Live’’ today and tomorrow at 4 p.m. Two additional films will be shown Aug. 8 and 9. $9, $7 students and seniors. ICA, 100 Northern Ave., Boston. 617-478-3103. www.icaboston.org