Photographer John Gilhooley--whose portraits often grace the pages of OC Weekly and have also been seen in Long Beach's District Weekly, Seattle Weekly and the just-shuttered LA CityBeat--is showing some of his favorite photographs from the past year and a few big prints of "classics from previous years" at 7:30 p.m. Saturday at the Memphis in the Santoro Building, 201 N. Broadway, Santa Ana.Subjects who have found themselves in Gilhooley's lensfinder include Born on the Fourth of July author Ro