There are some really creative people out there! One of them is Garr Reynolds, who is the author of both a book called Presentation Zen (I'm buying it today!) and a blog by the same name. To see his ideas in action, check out Garr's presentation summarizing the six key lessons in Johnny Bunko by clicking on this link: Johnny Bunko Presentation
There is life beyond Powerpoint and it looks like it's a lot more fun!