I have about 5,000 photos hosted on flickr – some public , some not – but I never set out to put that many on there. It just sort of happened over time. After a while I realized that I had photos hosted on flickr that I did not have on my hard drive. This caused me to develop a more strict photo management protocol, which has been relatively easy to follow. But I knew that there were some pieces up in the cloud that were not part of my back up system.
Bulkr allows you to do mass downloads from flickr to a hard drive. The pro version is required if you want to download the “original size” – but its very easy to use and not too expensive ($25 currently). I’ve found it worthwhile even if I use it only this one time to get a complete copy of my Flickr photos.
Here’s a link.