These are my favorite sites with power point templates that I have used to make games.  If I have created games using these templates, I have placed those games in the content folders.

http://jc-schools.net/tutorials/PPT-games/

http://facstaff.uww.edu/jonesd/games/

http://teach.fcps.net/trt10/PowerPoint.htm

http://point4teachers.com/

If any of these links is broken and you are really wanting a ppt template, email me.  I downloaded and saved all my favorites.

Super Hero Quiz Template:  Superhero.ppt

Basketball Quiz Template  Basketball.ppt