Michael Grinder is one of the worlds foremost experts on non verbal communication and gesturing. He talks about the intelligent way of gesturing and that is around making your gesture as you speak, and then when you pause, to breath, to gather your thoughts or to create suspense, you freeze your gesture. So as you are talking, make your gesture, and at each pause, freeze the gesture, rather than move it during the pause. Graphically it looks a bit like this:
With this in mind Michael Grinder then talks about 6 Wrong Ways to Make A first Impression. It is best if you observe this for yourself and look at the You Tube clip of Michael demonstrating these 6 wrong ways.
So practise your gestures, video yourself or look in the mirror and check that you are making the right first impressions.