XUbuntu 8.04 called Hardy Heron is new version of popular Linux distribution. XUbuntu is OpenSource and free, so if you want try XUbuntu, go to Ubuntu's homepage.
XUbuntu is a little different than Ubuntu - XUbuntu has XFce graphics environment instead of Gnome.
On the screenshot above: There are two dialogs on this screen: File open dialog and screensaver selection dialog.
