The site is coded in php, comes with full source code. It's 100% FREE and requires no database for the images. Simply upload your images and the script does the rest!
Features:
Completely FREE!
Written in php.
All pages are created using Apaches mod-rewrite so it looks like flat html pages to the search engines.
Automatic creation of the thumbnail images.
Ability to categorise into albums.
No database is needed. Simply upload your images into their own folders (albums) and the script will do the rest.
Images are automatically titled with the original filename.
JPG, PNG and static GIF images supported.
Single config file allows for amending thumbnail size, how many per page, site title, colours and more.
Automatic page titles/meta information based on the image filename/directory.
Requirements:
php 4.x
mod rewrite module on apache
gd library
No real HD requirements, this will obviously depend on how many images you have.