I have set a description on the file:
{{Information
|description = A cheeky description
}}
I have tried to use this CategoryGallery successfully, but I cannot get the descriptions to work:
I have also used the required extra extension, they talk about short_summary
, however this does not exist as far as i can see in Information template
<catgallery cat="Aubry" bpdcaption="short_summary" />
So how do I use category images in a gallery with MediaWiki?
Cargo may be overkill for this (you didn't mention that you are saving any metadata for all the images).
I personally uses DPL, which allows you do to some cool tricks with categories, you can check the manual, but as for your case:
{{#dpl:
category=all_photos
|mode=gallery
}}
that very simple example, but you can control the output format within the query (read at the manual i've mentioned).
DPL is built for this scenarios.