You've seen a great slide, maybe one where the pie chart has a picture used as the fill instead of a solid color. How'd they do that? It can be done in PowerPoint, but you'd search for hours in most books that are 400+ pages long. I've got a 5 minute video that shows you exactly how to fill a shape or pie slice with a photo. It is one of the videos I have that you can download for a bargain price of $1.99. Go to http://www.ThinkOutsideTheSlide.com/ppthowtovideos.htm
to see the list of videos and get the ones you want. There's even one free video for you to download so you can see how useful the instructions are.