New Dan Thompson video
American Artist Magazine's website has a great new video by Dan Thompson. He works with a live model, and starts out with only one color, and two brushes (one to apply paint, and another to erase). He works his way up to a two-tone grisaille by the end of the video.
This is a work in progress. The text above the video promises part two will be coming soon. At the beginning, Thompson laid out "twenty or thirty colors", and only used two, so it's possible this will stretch into a three-part demo.
Here's Dan's website.
And, check out all these other demos at the American Artist site!
UPDATE: Here's the second and final video.