A well written article by Carolyn E. Wright was posted in the news feed today "Understanding Fair Use".
Black Star Rising - Understanding Fair Use
A comment posted to the site refers to another blog in which two photos appear. The original photo by Jamie Nelson for Blink Magazine, 2006 depicts a stylized woman on a yellow mat with yellow wig and a yellow hammer in her hand. The second photo shot by a different photographer for Dexim Shoes, 2008 uses the exact pose down to the yellow mat, wig and hammer with red shoes added.
Why Your Images Need Copyrights - Shoot The Blog
This brings both Copyright and Fair Use into question. Is the general feel of an image including pose,props and color theme covered under either protection?