You could get the basic operation you describe using standard document-general categories, subcats and items. Just set and style them to emphasize the images above all and minimize extraneous elements, and you should be done.
You could get the basic operation you describe using standard document-general categories, subcats and items. Just set and style them to emphasize the images above all and minimize extraneous elements, and you should be done.
If you don't like the look of your "document-general" listings (or galleries), you can restyle them as you wish. Let us see what you have and what you want, and we can make some suggestions for getting it.