How do I import movies into Itunes on a mac?

I made a copy of a dvd I made using disk utility on a mac. How do I import it to itunes?

Aimersoft DVD Ripper for Mac can help you copy DVD to computer and rip DVD to various video formats so you can easily rip DVD movies to iPhone/iPod/Zune/PSP/Apple TV/Cell Phone and other devices on Mac OS X. You can free download and try it.
step by step guide:
http://www.dvd-video-converters.com/dvdvideoguide/aimersoft-dvd-ripper-for-mac-guide-rip-dvd-for-mac.html

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