After converting your DVD to iPod format, you will get a .mp4 file. Then you need use your iTunes to transfer the .mp4 file to your iPod device. You may refer to the help document of your iTunes to learn how to do, or you may follow the steps below:
Connect your iPod to computer. And then launch iTunes.
Step 3:
Click "File->Add File to Library...." to choose the .mp4 file which was created by AoA DVD Ripper, AoA DVD to iPod Converter, or AoA iPod/PSP/3GP/MP4 Converter.
Step 4:
Click "Movies" in the "LIBRARY" to see the files you have added just now, right click the file -> Get info to set your video info.