App : Movie Gallery 1.1
Just because I have been getting into moving movies over to my xoom, here is a great app to help with it
If you use programs like DVD Catalyst or Handbrake to put movies on your Android tablet or phone, Movie Gallery is the app for you. Movie Gallery acts as a cool video-only replacement for the Android Gallery. It provides access to the movies you have stored on your device (MP4/M4V), and if it finds pictures (JPG/PNG only) with the same name (mymovie.mp4 + mymovie.png / mymovie.mp4 + mymovie.jpg) it will display them in a nice look.
Read more info HERE