I know this takes all the fun out of downloading with torrents, but:
LegalTorrents - Film, Music and Digital Media
LegalTorrents is an online digital media community.
We discover and distribute high quality open-licensed (Creative Commons) digital media and art, and provide support to Content Creators. We host creative content in its entirety, ensure fast, reliable downloads, and enable users to directly sponsor Content Creators and their work.
We distribute content with the full permission of the rights holders and use the peer-2-peer file-sharing technology called Bittorrent.