Yes it's sad and I have repeatably asked people to please post all pictures/documents directly to the forum and NOT to some third party hosting site. Regardless if it's some big tech giant or not. They will all fail/change at some point and we now have hundreds of threads full of kittens.

But those pictures are not coming back!
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Can't. Copyright infringement. (Contact your government to change that?)

Easily fixed by people posting their pics on JF (as has been posted many times).

Wish the pictures worked.

+1 but it is what it is - people can upload them to JF but when they don't...