(In this video Jason talks about values, lights and darks, establishing your lights and darks while paying attention to form.  First, Jason explains his thoughts on values while looking through a few images.  Then you'll watch a short demonstration on values while Jason paints a landscape sketch.  Showing a basic and simple way to think about values.  After this, enjoy Jason paint a caricature of Actor/director Orson Welles, using the same approach to painting values.)