Do you stand frozen behind a podium or do you look like a duck in a shooting gallery, pacing back and forth? There's no reason you have to stay in one place. Get out and move!
But first, you need to know how to work the room. Stop distracting your audience - move with purpose.
Watch this video and learn to take control of the room:
[youtube=http://www.youtube.com/watch?v=Z3hae6jG1hs]