Here's what's going on today (Friday, August 24): Bay Street Theatre's production of Avenue Q (the puppet musical) enters its final weekend with a 7:30 p.m. performance. The Odd Lot's in prime time with an improv show at 8 at Muse Arts Warehouse. At the Wormhole, Dope Sandwich's Knife hosts "Fire in the Hole," featuring members of Word of Mouth and others. Catch the great Burning Mansions at the Rock House on Tybee, Richard Steven and the Midnight Blues at Blowin' Smoke, Chupacabra and Undertow at Live Wire, and Now You See Them! at the Sentient Bean.