SPGM is a PHP script that displays picture galleries on the web. It provides users with very simple procedures as for set up and update online photo albums. SPGM generates HTML 4.01 compliant code and makes extensive use of CSS stylesheets to render galleries. It only requires PHP version 3 or higher and does not rely on image manipulation libraries, or any database system. Features: caption for each gallery/picture, infinite sub-galleries hierarchies, several sort options, per gallery complete configuration, random thumbnails used for gallery previews, new pictures highlighting, multi-language support, themes available for use.