I have been making some painting demonstration videos and immensly enjoy the process and especially being able to share them online. As to the value of such programs, I wonder if watching someone paint is like thinking you are going to read by listening to someone reading. You may be inspired, motivated, and learn helpful tips but it's doubtful if you will learn to paint. I could be wrong.
If you are interested in watching any of my videos on painting and other short subjects you can find them on my video page.