When I suggested the theme my intention was for monochrome, greyscale photographs. Taken using black and white film and scanned, colour film, scanned and converted to greyscale, or digital converted to greyscale. NOT the photographing of black and white subjects. Here is an example:
http://www.worldphotographyforum.com...=500&ppuser=17
Taken on a Nikon D200 in full colour RAW then converted using Black and White setting in PS3, finally converted to greyscale for uploading.