“Maria Full of Grace,” one of the best indies to show here in 2004, enjoys a reprise at 2 p.m. tomorrow at the Museum of Modern Art (moma.org). Catalina Sandino Moreno (pictured) is amazing as a pregnant 17-year-old in Colombia who agrees to swallow heroin pellets and smuggle them into New York. Joshua Marston directs with assurance and sensitivity.