I enjoy looking at other's tanks in the gallery. One thing the gallery has made me painfully aware of is--my layouts are really bad.
I understand basic principles--mound, low to high, and inverted mound. And while I can construct a golden rectangle on paper, applying at to an aquascape escapes me (embarrassing for a math teacher). I'm looking for websites that can help me improve--both those that will help increase my understanding of layout/design principles and those with nice (but not over-my-head-awesome) examples I can learn from.
If anyone has links to share, I'd appreciate them.