After hours The twilight open house. The post-school showing. The invite to drop in -- to the pool -- any time. For real estate agents, a slow market calls for innovative thinking. By Gayle Pollard-Terry, Times Staff WriterNovember 12, 2006 FLICKERING candlelight reflected in the sheen of the glossy ebony grand piano. Tiny flames danced from scented candles perched in a cubbyhole above the mantel and on an end table in the living room. As Tricia Bautista lighted dozens of ivory-colored tea candles along the railing of a split-level redwood deck that wrapped around the back of the home, a bottle of Cabernet breathed on the kitchen counter. Next to more candles, a trio of trays offered cheeses, fancy crackers, slices of imported sausage, big red, green and dark purple grapes and black olive tapenade in a delicate dish. Near a cranberry-scented candle, she fluffed red accent pillows on the sofa and then arranged stargazer lilies in a vase on a nearby table. In the background, a songstre...