jp-gallery is a user-friendly gallery script on web-site. It's requires PHP5 (with GD-library) and turn-on Javascript on the client's browser. Optionally Mysql is needed - to enable photo-comments.
Simple photo album, in php, creating thumbnails from original pictures on the fly.
Pictures are displayed in a table and are clickable to see the original picture.
It uses the GD module to resize pictures and displays them.