Another source is livescore.com but as I said, perhaps the don't like a bot crawling through their bandwidth
You'll need to check often the results and perhaps you get noticed from your source and ban your ip Perhaps you can ask for a quote for that...
Yes, there is... Check under options/permalinks :)
Perhaps it could be done online... "Just" need to analyze the protocol and fake what your browser and flash client does. The hardest part it...
Separate names with a comma.