FILM: YBCA kicks off its series, Smut Capital of America, which features Michael Stabile’s in-progress documentary that chronicles San Francisco's reign as the center of porn production in the U.S. during the early 70s. Stabile will be present tonight to give an illustrated overview of San Francisco’s sexual underground of the time, along with a screening of different parts of the film. The series continues through August 18. (7:30 p.m., Yerba Buena Center for the Arts, 701 Mission Street)

LITERARY: Litquake celebrates Left Bank Bohemia at Cabaret Bastille, featuring local literati channeling famous authors from the '20s, along with French wine, tricolor cocktails, an absinthe fountain, blue films from the ’20s, exotic dancing, and live music by Angus Martin on the accordion, accompanied by the lovely chanteuse Gabrielle Ekedal. Also featuring enchantress Yvonne Michelle Cordoba "weaving her sinuous dance." (8 p.m. to Midnight, CELLspace, 2050 Bryant)

ART: The Lower Polk community is celebrating the revitalization of the neighborhood with the Lower Polk Art Walk. Participating galleries include Whitewalls, Shooting Gallery, 941, Polk Street Space, LoPo gallery, and the French Alliance Francaise Gallery, along with newcomers Popular Workshop and 1044 Larkin Gallery. (6 to 10 p.m., Polk and Bush to Geary and Larkin)