This FSViewr gallery requires the Macromedia Flash Player. You can download the plugin for free here:
http://www.macromedia.com/go/getflashplayer

FSViewr (short for Flickr set viewer), is a light-weight, easy to configure Flash environment for displaying images from a Flickr photo set on a separate website. Uses could include a personal portfolio or special presentation site with the ability to administer content on Flickr.

You can learn more about FSViewr at:
http://www.lackadaisical.com/apps/fsviewr/