The Contemporary and the Atlanta Film Festival present AVANT GARDEN, a monthly social geared toward art and film enthusiasts. Mingle with industry professionals, meet with arts organizations and participate in interactive activities. Atlanta Screenwriters Group celebrates 10 years with movie ad-libs — famous movie scenes revamped Mad Libs-style — to create new dialogue and film the results. Free. 6 p.m. Atlanta Contemporary Art Center, 535 Means St. 404-699-1970. www.thecontemporary.org.