In this Screencast I will walk you through the setup of a torrent on a home box behind a nat router.
I set it up using Azureus, and help from frencz 1z, a listener that emailed me after he heard my concerns over bandwidth. I received the best results playing the video with mplayer. If your player complains about the file format just rename the .ogv to .ogg.
The video is best viewed full screen.