eLearning Brothers always have great tips and this article is no exception. It provides straight forward, easy tips for making training videos, simulations, screencast, and the like user-friendly, relevant, and professional. However, as the article points out, you can have a flashy, high-energy video, but if you do not have good content then the learning will fall flat.
Check out the 7 tips here: 7 Tips for Creating Video Lectures