I also believe that your download time will be much longer if you (or your firewall) don't allow others to download the file from your machine. You need to make a hole in your firewall for ports 6881-6889.
I left BitTorrent up all afternoon and three people (or the equivalent) uploaded the file from my computer.
I left BitTorrent up all afternoon and three people (or the equivalent) uploaded the file from my computer.