Also, Matchingo can now be found on SilverArcade.com - a gaming community site for gamers and Silverlight developers. If your going to be playing Matchingo, play it there so it can get up on the top played list - after you've voted on ServerQuestContest.com of course ;)
I also just put up a new build of Matchingo up on matchingo.com. There's not much to see, its really just a build after a weekend of cleaning up the code. It does have some changes to the particle effects, so if you were having framerate issues give it a whirl. Please let me know if you notice any major issues with it.
I'm hoping to get the source code posted by the end of the week - whether I get everything done I want done by then or not - so please check back later for that.