Un grand merci à Parasek pour cet add-on gratuit et vraiment indispensable, qui permet de faire des galeries d'images basées sur des collections
https://www.concrete5.org/marketplace/addons/simple-gallery/
Features
Create galleries based on selected File Set
Implemented lightbox: Magnific Popup
You can display original or resized (using image helper) thumbnails/fullscreen images
You can set width and height of thumbnails/fullscreen images
You can set number of columns depending on device type (phone/tablet/desktop)
You can set space between images
Available methods of displaying lightbox captions:
Do not display captions
Display captions based on File Titles (you can edit them in "Dashboard/File Manager")
Display common caption based on Page Name (you can edit it in "Dashboard/Sitemap")
Display common caption
You can order/assigning images to File Set in "File Manager"/"File Sets" dashboard pages (link to them is displayed while editing block)