Here are a few of the suggestions from GovLoop’s Facebook page:
Jill Huibregtse McCormick I have a few… 1. Use a black background, 2. Less words more images and 3. do not read the slides!
Lauren Modeen Make image entire slide – with just a few words to tell story
Hal Grieb use to accent your presentation, not be your presentation
Jennifer Brand Make the background and text contrasting colors and avoid designs that cut through the text (or move the text so that it doesn’t).
Gayla Pickett Schaefer Use old MySpace code to make YouTube videos autoplay.