The remaining videos in my quest to show 12 cool free things that you can use form Microsoft have been made by good friend Viral.  Viral is the Office and Sharepoint evangelist so it is entirely appropriate that he shows you PPTPlex, a PowerPoint add-in to pimp your presentations.

It really comes into its own if you have to give a more unstructured presentation or tutorial, and you can get from the OfficeLabs site here.