This is a light switch puzzel that I was thinking of doing, but instead of making it a whole tileset I decided to make it an addon so that anyone can add hte puzzel to thier map.
http://img464.imageshack.us/img464/6258/lightpuzzleaddon1ex5.th.png[/IMG]
http://img464.imageshack.us/img464/6258/lightpuzzleaddon1ex5.th.png[/IMG]