Bottom line: The dish provided to you sucks cuz you won't get any of the programming you want from it.
Some alternatives:
1. Get a SkyTV box. SkyTV is pretty much just US programming anyway. This is the most conventional approach (and most expensive). You'll need a 90cm dish and the correct line of sight.
2. Get a sling box (
www.slingmedia.com) and have a friend in the states hook it up. Not as good quality or framerate as a SkyTV box, but close enough. Only thing that sucks is you are off by 6-9 time zones :P Attach a TIVO to get rid of that problem.
3. ITunes. Pretty sweet actually, but the cost of buying episodes adds up fast.
4.
www.mininova.org. Takes about an hour to download an episode free of charge.