THEME, If it is a theme you are wanting to create, using the use of colors and or subject matter can maximize an oil painting's effect on your interior design. When creating a theme, try to tell a story. A good theme consists of no more than four oil paintings. Example: The four seasons consisting of four oil paintings, Winter, Spring, Summer and Fall. Example: If you want to create a theme of your two favorite seasons together "Summer" and "Winter" completes a well complemented theme.