I know, this sounds odd and risky, read on....

You can become a student and choose complete courses of self-study art instruction authored by Barry John Raybould on Oil Painting, Watercolor Painting, & Acrylic Painting Techniques via www.virtualartacademy.com. Of course, it's not for free. But, take a look, it's an approved method.

Promote Yourself

Also, i discovered another website, where you can purchase, post and even sell your paintings/graphics. Big part of posting there is, all the people will mostly give you a hand and place reviews and/or ratings on your pieces. So, it's a good opportunity for you to get a feeling of how your work is seen in other's perspectives. And the best thing - you can join for free!

Here's the link: www.paintingsilove.com