By Brandy McDonnellToday's featured event:Celebrate a Victorian Halloween from 5 to 9 p.m. today at the Oklahoma City Museum of Art's Third Thursday, part of the museum's new Thursday evening programming.Inspired by the museum's new exhibition "Victorian Radicals," Third Thursday will feature a Victorian costume contest, themed gallery tours and spooky cocktails on the Roof Terrace, and one of the scariest films of all time in the theater.