Images with a clearly defined line or division extending from one corner of the frame to the opposite corner - catacorner.
This group has 2 rules:
1. Images must have a single clear line or division that extends from one corner to the opposite corner.
2. Pool submissions must alternate from upper-left >>> lower-right and then upper-right >>> lower-left, ie \ / \ / \ / \ / \ ...
note: Submissions to the pool are added to the left of the (upper) left-most image (above).
also: While a little cropping is ok, please do not rotate images to make them fit the criteria.
It is much more fun to compose/align the original shot for the theme.