What not to do with powerpoint
Take a look at the annoying things about powerpoint and hopfully you will not fall into these pitfalls. This is a video from You tube titled " Life After Death by PowerPoint". The comedian has updated his act, however the original is still the best.

Adding a video from Youtube
Have you every put a link to a video in your presentation and when you come to present to your audience, the interent goes down? Why not download it beforehand and place in directly into your presentation. Ok, you will have to store a large video, but at least it is one less thing to go wrong!