WPGallery 2 is the easiest way to add a gallery to OpenCart. Now the gallery can be inserted into any summernore editor, you can also use WPGallery 2 as a separate module and embed it in any part of the site. Module features:

The ability to set the size of thumbnails and large images
Possibility to choose a method of resizing thumbnails and large images
The ability to add a link to a video
The ability to set your template for the gallery
Possibility to connect their scripts and styles to the gallery
The ability to cut the gallery into a separate variable
Thanks to the template, you can create any gallery from the admin panel

The gallery is multilingual, as it is added separately to editors in different languages. The pictures are taken from the banners. The picture description is also multilanguage. If you want to make a description of the image, it is not necessary to install the banner_func.ocmod.xml modifier, which can be downloaded along with the module. License is issued for one domain. The license is issued for free on test domains.

Installation - youtube
Examples of galleries - demo
Demo:
http://wpgallery2.webka.mk.ua/
demo
demo