Like many other contributors on this site, I have placed some of my images on other stock sites to get as much coverage as possible of the stock agency market. This inevitably means giving up Exclusivity on some sites, but that is something I'm prepared to do for the moment.

Spreading images over two or more sites gives us amateur photographers a fine opportunity to see what sells and what doesn't sell. What makes this process even more intriguing is the fact that, all too often, there are no clear answers.

You'll soon find that unless you've been lucky or skilled enough to take an exceptionally outstanding image, you are going to get some very mixed results about what sells and what doesn't. For instance, if you have 100 of your best images on three different sites, and leave them for,...