More than 230 films from 25 countries screen at the 2007 San Francisco International LGBT Film Festival, “Frameline31.” The 11-day celebration of LGBT cinema and experience opens at the Castro Theatre Thursday with a presentation of “The Witnesses,” directed by French auteur Andre Techine (“Wild Reeds”).

Screenings run through June 24 at various venues; tickets for most programs are $7 to $10.

For details, visit www.frameline.org.