it's easier when you're already an animated character, but if you aren't that type of person, watch people that are.
watch how Steve Jobs presents a keynote speech at the release of a new ipad… maybe even watch your favorite comedian.
I feel pretty confident stood in-front of people, I like to think that I gesture well, have good vocal authority. But if you think you are lacking in these areas… take to the bathroom mirror.
If it's good enough for Robert De-Niro…