Hi,
Its seems like you are doing something wrong, its working fine on the demo website, can you please share your website url and admin details so I can look into it.
DEMO URL: http://pixsols.com/test/wordpress/responsive-facebook-gallery/
orangecopper can you please share the URL where you implemented.
DEMO url has been updated please check http://pixsols.com/test/wordpress/responsive-facebook-gallery/
