Requested feature overview description.

The ability to go to the next picture in a set, similar to pools, only should be visible if you were viewing the set when clicking the image.

Why would it be useful?

I think this would be useful for using sets and, while I have zero knowledge about website development so correct me if I'm wrong, I don't think would be difficult to implement

What part(s) of the site page(s) are affected

I think it would only affect sets