It’s easy enough to copy videos to ipad, this step-by-step guide will show to how to sync videos to ipad. Tools you may need:
#1 SnowFox DVD & Video to iPad Converter
#2 iTunes for free
Note, not all videos are compatible with iPod. First of all, You have to convert DVD/Video to iPod supported video format.
Step 1. Connect iPod with your computer and open iTunes. and click "File" on iTunes menu and select "Add File to Library" to add movies to iTunes library.
Step 2. On LIBRARY section of iTunes source list, click "Movies", and you could see the movie you added just now. Then select iPod in DEVICS section of iTunes source list
Step 3. Drag the movie you want to transfer to iPod in library list and drop to iPod Movies. You will see the video in iPod Movies list and at the same time iTune will sync the newly added video to your iPod automatically.
more info, see guide: how to convert video to ipad
or this tutorial: how to sync video to ipad