Use Great Gallery
A short How-To Description
After you have logged in the wordpress panel, go to Olympus -> Page Builder. After you have created a new template for example: "great_gallery", select from the "add new element" select box Great Gallery Block Click Add Element Button.
A new element should appear to the drag & drop panel.
With the +, - button you can choose the size (width) of the element.
Shortcode
[dynamic element="great_gallery" dynamic_size="12"][/dynamic]