I put an ad in Node Pajomo asking for people to send me postcards upon which they have made a black and white pattern, preferably a complex one. So far, I have not had many responses and I realized I should post about it here, also. For the time being, there are only two results from this project (I add to/change/or re-envision the images sent to me and send them back to the one who sent me the postcard in the first place).
One was from Xti here on IUOMA - her black and white pattern was too beautiful to change so I added to it instead. It looks like this now: