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. The following examples show Gareth Emery's latest album from Facebook.
For sidebars, the latest album opens in the lighbox