Just browsing through some of the posts and found this one. May I recommend Mobile Impact. I designed it to specifically run at 640x480 with no special instructions and it has a DVD player that is extremely easy to use.
Click on the website link below for more info, or go to this thread:
http://www.mp3car.com/vbulletin/mobile-impact/51348-mobile-impact-all-new-front-end.html