"Would somebody please stop the insanity?!" Susan Powter said to me on a plane one day. Well this would get her brows in a crux: Alligators and Gems, an art show proffering weirdness and beauty and things that "sparkle and bite," with work by Courtney Blazon, Candice Mancini, Jessie Baldwin and Dustin Hoon. Central Bar and Grill, 143 W. Broadway. 5–8 PM. Free.