a short update, I am working on the next chapter but I've realised that my imageshack account will very shortly force me to upgrade, and as I don't plan to this means all images will vanish (I assume). I've finished downloading all the images and in the process of moving to a new host, so this has delayed my writing slightly. Nevertheless, I hope to be finished with the tedium of moving photos soon.
I'm facing the same problem with Imageshack, it will no longer be free. Your images should be fine however, I pulled this off their site:
What happens to my account after the trial or if it expires?
If you don’t pay after the free 30 day trial or if your premium subscription expires, image uploading will not be available. However, access to the account and images previously uploaded are still allowed.