The colors in the dream are very important—see the chapter “Colors in Dreams.” Seeing a beautiful painting in your dream means that happiness is on the way. What else do you see in the picture? What are the colors? See Colors, Picture.
Depth Psychology: Dreaming about painting means self-realization and self-fulfillment. Are you “painting” your future? What does it look like? “Is the “handwriting on the wall”? Do you paint over things you don’t like? What does “as pretty as a picture” mean to you? See Colors, Picture.