Jessamine Narita
There isn't currently a convinient rearrange the Installation Images on a certain Exhibition.
I intuitively attempted to drag&drop the images into order on the Exhibition's Overview page, via its settings page.
Alas, that did not seem to work.
On the knowledgebase, I found how to reorder Inventory within an Exhibition, but not the Installation Photos.
My best currently available solution is to manually reupload them in the desired order.
The desired manner would be to be able to simply drag an image and drop it in between two other images to rearrange its position.
Emily suggested I add this as a feature request, which I am gladly doing.
–Michael