circle shape: big and little:Mice made out of shapes to go along with "Mouse Shapes" by Ellen Stoll Walsh
The reflection and shape of the bridge is incredible, and the way it frames the tree line is really cool.
My former photography teacher would have a cow over the un-sharpened points in this image, but it is an interesting composition.
Wearable Metal Origami
Yohji Yamamoto by Sophie Hicks -Very interesting alignment and composition of the shapes.
next year with MS--do something that incorporates the majority of Es + Ps for the first project, in a series of 1 day lessons ans additions to the composition. along these lines...
Space Composition, I Johannes Itten (Swiss, 1888-1967) 1944
Fireclay Tile Pattern: Ogee Drop - Moroccan
References for various fundamental things - composition, balance of details etc. I don't have sources for most of these as its something that was lying on my hdd for a while, but you should be able to look it up through google images.
I have found that the geometric look, such as this deer poster, has become more popular in design.