This app lets you convert your video files to play them on your iPad.
Convert DVD to iTunes video, MP4, MOV, M4V, MP3 for iPhone, iPod, iPad, Apple TV
DVD ripper for Mac OS X ? Rip/convert DVDs to iPhone, iPad, iPod, iTunes
This application lets you transfer your iPad photos and videos to your Mac.
Transfer all the files between iPad and Mac or from iPad to iTunes.