Check out the detailed instructions on how to put and burn movies downloaded from BitTorrent to DVD disc and burn your own BitTorrent movies to DVD later.
You can easily transfer files between Macs through USB drive or a conventional file-sharing services via network connections. Also, these days' synchronization services like BitTorrent Sync, Dropbox, and Google Drive are highly used. Nowadays, you can use Mac Screen Sharing services to transfer files.
Demonoid provides links to download BitTorrent files peer-to-peer, and you may need these tips about how to register Demonoid and how to download and burn Demonoid files to DVD.