This is a photo gallery builder for the Elefant CMS. To install, unzip it into your apps folder, and you'll see "Galleries (click to install)" appear in the Elefant Tools menu. Click that to complete the installation. Afterwards you'll be able to create photo galleries under Tools > Galleries as a site admin.
To publish your galleries, either link to /galleries on your
website, or use the Dynamic Objects menu to embed a gallery or
slideshow of the gallery into any page of your site.