Tiltgallery is a PHP script that scans the current directory for image files, generates the XML gallery dynamically, and displays pictures using the TiltViewer 3D Flash image viewer.
This site is using it. Take a look at the desktop gallery and the Tremulous screenshots.
Download the first version tiltgallery-0.1.tar.bz2.
Download can only start from the third version tiltgallery-0.3.tar.bz2, due to the TiltViewer license.