It s the last Friday of the month, which means it s time again for the South Main Trolley Art Tour. There are several art openings down there, and lots of others scattered about town. Other attractions: Kenny Chesney is at The Pyramid tonight. Tony Furtado and The American Gypsies are at The Lounge. Rob Junklas & Susan Marshall are at Tower Records. Stout with Skinny White Chick is at the Full Moon Club. George Carlin is at Sam s Town. And the pandas, Le Le and Ya Ya make their public debut at the Memphis Zoo.