PhpSimpleGallery is a free PHP based gallery script that will generate a navigable picture gallery from a directory of images. It will run 'out of the box' for most users and has advanced features such as sub albums, bmp support, bordered image resizing, image comments and it is template driven (easy to customise). Images are uploaded by your normal method such as FTP, etc. and phpSimpleGallery will make the thumbnails for you. The script runs with PHP 4.3.0 or greater, and uses either ImageMagick or the GD image library for processing.
Features unlimited custom fields, custom thumbnail sizes, tar upload option, advanced search, member albums and slideshows. Visitors can post comments about images, email them, rate them, edit them, etc. Member system can integrate with various forums. Advanced usergroup permissions, option for requiring manual validation of submissions from groups. Also includes member avatars, smilies, custom markup codes, censor, IP banning, category moderators, custom toplists, option to prevent hotlinking. Unlimited levels of subcategories.