Free imgsvr software for linux

ImgSvr is a Web image server, which allows users to browse digital images.
ImgSvr project is a simple, efficient, and full HTTP server, specifically designed for image publishing. It is completely dynamic with efficient thumbnail generation
Main features:
- Easy to install and use
- Easy to customize Picture Views thanks to inheritable skins
- Fast to browse pictures
- Optimizing bandwith for browsing and managing your pictures
- Picture Storage independent, picture could be stored in a directory-file, or in a database
Enhancements:
- A security issue using the template parameters in URL has been fixed, eliminating a potential directory traversal problem.
- The thumbnail directory has been parameterized, and per-URL security has been added for each user.