The fifth and final edition of "It Ain't Fair" opened last night. Among those in attendance were Terry Richardson, Ryan McGinley, Aurel Schmidt (all of whom have work in the fair), Chelsea Leyland, Cynthia Rowley, Tim Barber, Kesh and Ashland Mines. The fair will be on view through the weekend at OHWOW, 743 Washington Avenue, Miami Beach; a soup kitchen will be serving free meals 5-7 p.m. daily.