Do you know how the Insert Flash option on this forum works? Because if you do, Forum Games (and possibly other boards) could become a bit more interesting with some forum-goer created material.
[flash=200,200]http://static.onemorelevel.com/games3/great-dungeon-in-the-sky.swf[/flash]
doesn't seem to work, for example. And don't worry, I wouldn't post other people's games. This is just for sake of example.