https://extensions.joomla.org/extension/event-gallery/
The plugin of insertion in an article is paid
{eventgallery event="Mountains" max_images=4 offset=3 thumb_width=75}
Example of display through a link
http://www.jltryoen.fr/index.php?option=com_eventgallery&view=event&layout=imagelist&folder=Montagnes