IMED pictures

Asymmetrical:

http://www.worldarchitectnews.com/contemporary
-mediterranean-villa-in-italy/asymmetrical-design-
style-and-articulation-of-the-walls/

Radial:

http://alirhayem.com/blog/?p=91

Rule of thirds: 

http://www.digital-photography-school.com/rule-of-thirds

Symmetrical:

http://teachersnetwork.org/dcs/math/symmetry/Linesymmetry/