It comes with dialog to handle the selection of albums and pictures. The perfect way to include a shortcode without copy/paste IDs. Working with albums and setting thumbnails to media style even generates responsive thumbnails! The buildin swipebox is very fast and impressive, nevertheless I use WP Lightbox2 with "Lightbox(External)" setting for a better ux result on small devices.
This is a great tool and gives your website photos high speed CDN for free.