At a slight tangent, I can offer an interesting (and slightly strange) fact about the Free Image Of The Week (FIOTW).
I recently had one. In the 10 weeks before it was FIOTW, it had ONE sale. During the FIOTW period it had 44,617 downloads (about 800 at XS size). In the week AFTER it stopped being free (last week), it had ELEVEN sales.
Obviously, IOTW and FIOTW get extra exposure which pushes them up the ratings and the searches; thus leading to added sales.
I hope this slightly deviated response was of interest.
