There is no doubt that the creative process can be a meaningful experience. Expressive Therapies, for example, believe that one can emotionally heal through use of imagination and creative expression.
Art Therapy is but one type of Expressive Therapy. And Art.com offers a way for you to experience painting. Check out their artpad and paint your own virtual work of art.
I just painted this picture, which captures my feelings about the stormy rainy morning that's outside my window.