I know how frustrating it is when you ask for help with something and then someone says "download this instead," so please understand that the fact that I'm saying it here means I *REALLY* believe you should and that it's WELL worth it.
Get
http://www.torrentstorm.com/ It's a lot better than any other torrent client I've used and it also has a nice, easy button to associate .torrent files with it in the settings.