Public Domain Torrents offers an extensive collection of Classic and B-Movie torrents. The copyright of these movies has expired so you are free to share them.
They currently have a collection of 531 movies which are available in different formats (including Ipod). For example, you can download the christmas classic “Santa Claus Conquers the Martians” (awfull movie by the way). Or perhaps the real classic “Nosferatu“, based on the Dracula story.
This site is pretty much heaven for both torrent and moviefreaks. New content is added on a daily basis, take a look.