Hi -
+ Is there a way to reposition images in collections without doing so on the all-image page?
+ If I move them on all-image page, do they move in all collections?
Go to your Collections page. Under the collection, click "Edit". Then use the numbers to reposition.
And no, moving them within a collection does not affect their order in the Images tab/page nor does moving them on the Images page affect their order in a given collection.
