Handout I created for students years ago, but newly updated to reflect PowerPoint X.
You have all seen BAD powerpoints. Learn what NOT to do.
Wow! This site has it all. Tutorials (based on PCs, but similar enough to use for the Macs), integretion ideas, actual powerpoints that you can download and use in your classroom and many, many, many, many (enough??) templates to use. This is awesome! Check IT out !!