I have a project. A map of the school campus. When I hover over a few locations, a tooltip appears and in it, there's a small thumbnail (an image element). Right now, it is hard-coded. However, I would like to make it, such that, in the event the campus undergoes any infrastructure change, it would be easy for a non-developer to change the thumbnail to output the latest image of the building.

And I'm sure this can be done by connecting a database. However, I'm clueless on how to. Can anyone point me in a direction?

Thank you