PhotoFrame is a PHP5 script that automatically creates a clean Web interface (using frames) from a directory full of JPEG, PNG and GIF images. It creates thumbnails automatically and can use JPEG comments if it finds them. Features web administration.
Slideshow broadcast over the Web, with the slideshow operator/presenter controlling when slides change. Requires only a browser for presenter and viewer(s). Still-image slideshows are supported; support for text/HTML slideshows is under development now.