The Pollock-Krasner House and Study Center in Springs will reopen next Thursday with “East End Art World, August 1953: Photographs by Tony Vaccaro.” The exhibition will continue through July 29. Romany Kramoris Gallery in Sag Harbor is presenting its annual Spring Flower Show from today through May 25, with a reception scheduled for Saturday from 5 to 6:30 p.m. The exhibition features a variety of styles ranging from realism to impressionism.