Poynter Institute
Poynter Institute: The Elements of Powerful Pages
Very brief article from the Poynter Institute that covers four basic design rules for effective pages.
Other
Design and Colour
A site by watercolor artist John Lovett. He describes the Elements of Art and Principles of Design and gives tips and techniques for watercolor painting and for composition.
Other
Ideas About Judging Art
This site is a personal reflection on judging art from both a layperson and professional point of view.