To answer your send question about the delete button, I am attaching a screenshot:
Can't see this screenprint.. a yes or no response was all that was needed..
I suggest deleting the image and re-uploading it, and tell us what happens..
My Site - Zen Cart & WordPress integration specialist I don't answer support questions via PM. Post add-on support questions in the support thread. The question & the answer will benefit others with similar issues.