re: Which are the extensions necessary to have a set up like: (particularly – “Show Details”) https://www.chem.ufl.edu/faculty-and-research/ (particularly – “Show Details”)
Ther are using the cMap template… but, they customized it quite a bit by moving bits around and using CSS to achieve the two-column layout. The coloring, I’m guessing they simply used the Template Customizer which the cMap template supports.
re: Would each image have been imported separately
Yes, they would have to be added to each entry separately.
Hope that answers your questions thoroughly.