Lots of tutorials and support material is available at art online classroom.
There are exercises in each tutorial. So, open your eyes and discover that the language of great work is a universe, in which it is possible to make a fantastic opening. Artists in all mediums will benefit because the principles of composition apply to all landscape paintings and the painting procedure is similar. The concepts are not left in the abysm of theory. There will be video demos tailored to the needs of the participants. The instructors will be painting live while you watch from any computer. During this procedure color combinations and tips will be given.