For $50/month you can watch each of the online classes listed here. 
-Learn how Kathy achieves the light in her paintings, tips and tricks on how to judge colour and tone.
-Techniques on drawing even when you struggle with stick figures.
-Advanced colour analysis.
-Basic and advanced image editing using corel paintshop pro.
There are several videos here that are free so you can sample a class. 
Ultra blue wren