There's one in the next town over that shows a double feature of first run movies for $5 an adult, it's awesome. The guy who does the movie hotline is unintentionally hilarious.
We brought our own food and drinks and just sat in the back of my SUV with the tailgate open.
New Moon in Lake Charles. Saw some really bad movies as a little kid; Krull, Blood Beach. Did see The Warriors for the first time there, though.