Landscape instruction using the Flemish Method, and other studio practices. My 2nd E-book on the Flemish Method.
Nolan Clark's website "Paint Basket" has been producing some of the best online art courses anywhere. A large number of them are for free! Once you get your appetite for these, you'll be glad to join for more in depth lessons. Click here for more details.
Gayle's course is another one of those gold nuggets you find when sifting through all the online noise when trying to find a good solid oil painting class. Read my review of this course, and yes, the course did teach this old dog some new tricks. Or go directly to their sales page to learn for yourself.