FILM: The Bernal Heights Outdoor Cinema opens tonight with a great line-up of short films by local filmmakers, along with live music by Mister Odom and the Odom Poles, food, and an awards ceremony. Proceeds benefit Bernal History Project. (6:30 to 9:30 p.m., The Old Clam House, 299 Bayshore Boulevard)

PANEL: a.Muse Gallery presents a panel led by RayKo Gallery Director Ann Jastrab who will discuss with eight contemporary photographers the current developments in the photography scene, along with the concept of a generation gap between established and up-and-coming photographers. (6 p.m., a.Muse Gallery, 614 Alabama Street)

THEATER: Magic Theatre presents a revival of Why We Have a Body, a comedy "that rocked San Francisco" when it premiered to packed houses in 1993. The play features a lesbian P.I. who stalks men cheating on their wives, her little sister Mary who holds up a 7-Eleven and directs traffic, and their mother Eleanor, an archeologist who specializes in the female brain. (8 p.m., Magic Theatre, Fort Mason Center, Building D, 3rd Floor)