I’ve sold a handful of photos before but this is the first time I’ve sold something through Flickr. Yep, believe it or not Flickr is still very much alive (looks like my pro account is good for something). This was for a photo I shot of my house cat + back lighting way back in 2006 (that was around the time when this blog was at its infancy). I had set the global options of my Flickr account’s Creative Commons license to full credit w/o commercial use and it is in such a case that I was contacted by the Random House Germany to purchase the photo for their paperback / eBook cover and collateral.
I guess the biggest tip I can give to people who are planning to sell their photos would be to be very aware of the CC licenses that you have set on your photos. You never know when an opportunity may just be lurking around the corner.