A professor of human resources, commenting in a monthly publication, touts ASTD as a great online source for training materials. Here's the relevant quote:

Q. How can a company determine effective training techniques to maximize education dollars?

Job-relatedness is the key. Learning theory is fine for researchers and academics. However, businesses are having a difficult time surviving. Many films are available from governmental agencies like Occupational Safety and Health Administration for free. You can also find a lot of training materials through online sources or professional organizations like the American Society for Training and Development.