I'd suggest getting him to a qualified rehabilitator ASAP. Google for such folks in your area. If that fails, there's Leslie Lattimore, a licensed wildlife rehabilitator with a huge place in Livingston. Her contact info is:
Wings of Hope Wildlife Sanctuary
20591 Abe Hoover Road
Livingston, LA 70754
225-698-3168 phone
225-698-6099 fax
225-954-9883 cell
leslielatt@wildblue.net
Also see this thread: http://www.bayoushooter.com/forums/showthread.php?57959