I know a few photographers using cafepress to market their photography. Here's one example:
http://www.astphotos.com/store/shop.cgi/all_large_framed_prints
http://www.astphotos.com/store/shop.cgi/all_large_framed_prints
This is pretty relative, but the most compelling photos I've found come from what the photographer behind the lens feels is personally "interesting" to them (either by subject/composition/timing, etc)