With festival fatigue closing in on all sides and the Verne Troyer sex tape still searing our minds one pixel at a time, we really needed a laugh Wednesday night. A panel discussion seemed like it might do the trick: "Funny Women," gathering Jennifer Tilly, Janeane Garofalo, Alyson Hannigan and Illeana Douglas poolside at the W, where comedian/director David Steinberg peppered them with questions when not contributing random career asides of his own.