As long as you are not planning to resell the video to the public than no, you will not get into legal trouble.
To transfer iPhone-purchased songs and books to iTunes and computer, i often use iMacsoft iPhone to PC Transfer, it can easily backup purchased songs, books and downloaded podcasts and iTunes U in an easy way.
Sync iPod with iTunes and then iTunes should work
Itunes
download it from the itunes store and it will notify you that you have already purchased the game and that you dont have to pay for it
you can og into your itunes account from the other computer
You Can't, once you buy anything on iTunes you cannot sell it, therefor you can delete it.
yes it is on itunes on the COD black ops soundtrack. It can be purchased for 99 cents
Technically, Yes, although this is illegal. They would have to give you their iTunes account, and when logged on, you could tell iTunes to re-download all purchased items. Again, this is possible but illegal. Do not do it.
Yes you can, simply go to the iTunes store and download them again, of you purchased them from iTunes.
yes, if you had those songs on your itunes they should still be there when you log onto your itunes account
sync the ipod
iTunes does not have the ability to edit or export movies. Quicktime Pro, a purchased upgrade from the Quicktime included with the iTunes software, can export and trim some video files, but not ones streamed from the net or played on DVD. Movies purchased or rented on iTunes cannot be saved or exported with any program.