If you purchase Hot Responsive Lightbox module, you will also get the Hot Responsive Lightbox plugin. You can use this plugin to make photo galleries inside your Joomla articles.
Upload your images in any folder. For example, if your images are uploaded to /images/gallery folder, add this code snippet into your article to make a gallery:
{*responsivelightbox}images/gallery{/responsivelightbox}
IMPORTANT: Remove asterisk (*) from above example. Learn more...