A good website is awesomefreestuff.tk
there is a slim chance that your iPod will be damaged by downloading free tunes unless the person that uploaded that free tune designed it to destroy your iPod however this is unlikely and if your iPod is damaged you can restore it via your PC or Mac
no
Yes, if you have purchased it from a legal source, such as iTunes.
no
I wouldn't suggest downloading songs or movies off the internet because you could get a virus and it's illegal.
You can get free backgrounds, free apps, and free music by downloading apps
You cannot download movies onto an iPod for free. It is illegal to download movies for free, and WikiAnswers will not aid in criminal activity.
Movies, or any other file, are downloaded by the computer so it needs to be switched on to perform the downloading task.
One can find free ipod downloads from iMesh, Zimbio, and eMusic websites. One can get free ipod downloads which can include free iPod videos, free ipod music and free iPod games.
You can try Tucows - Free Ipod Video Converter
Check out the apple store, known as iTunes. It offers all your iPod needs; apps, music, movies, books and TV shows. There are also third party sites that offer either free or pay to download media that works on iPod.