With Campsite 3.2.0, the Upload Image function allows the user to write in an image number. This image number is used by many sites to determine the placement of the photo on the page.
With a newly-uploaded image, a user can set this image number in the pop-up menu, but when a user tries to attach an existing image, the number is set and is uneditable.
However, the number can be changed by clicking on the image after it has been added.
Ideally, the user would be able to set the number of the image for either existing or new images.