- PHP 5 (or any later version) with GD library (graphics library for thumbnails creation).
- Phoca Gallery with Slideshow component.
Joomla! 1.6 Demo:
Its main advantage is to avoid to use/built menus accessing the galleries. Navigation throught trees of categpories/subcategories (like folders) is intuitive and enough.
I use it for albums on a hiking club site, and this presentation is well estimated by the end-users (visitors).