I am currently working on a flickr rss feed integration. Once it is finished you can add the rss feed url to your profile (go to 'edit profile') and then a link "Flickr Images" shows up on top of your inspiration book. After you click on that link your most recent pictures are fetched from flickr.

I added user tagclouds to inspiration books. This enables different views on an inspiration book based on the selected tag. I hope you like it.