If you, like me, love to create and present using Powerpoint then you'll need to check out these hints and tips: link
Its important to keep things interesting and engaging for the people you present to. We have become so accustomed to presentations using Powerpoint that we switch off and go into "viewer" mode rather than becoming an active participant in the discussion.
I personally prefer the role of facilitator in a discussion rather than presenter to an audience - this works better in church especially.
Thanks to Lifehacker for the heads up on this.