International House 3701 Chestnut St., 215-387-5125, ihousephilly.org. The Black Stallion (1979, U.S., 118 min.): Horsies! And death. And horsies! Sat., Sept. 27, 2 p.m., $5. Le Révélateur (1968, France, 67 min.): Experimental black-and-white silent with a new live score by…