Showing just the latest album from Facebook is an automatic way to sync new content as soon as it's created. Set this up once then forget it. Whenever you add a new album on Facebook, Justified Image Grid will recognize that and show its photos. In case you wish to have just a cover image representing this album (with title, description and photo count), then it's a lightbox album made for the sidebar. Otherwise, displaying the contents of the album is also a great option. Optionally, show the title and description of this latest album so visitors know what they are looking at.
For sidebars, the latest album opens in the lighbox