Cascading Slides is a tiny image slideshow software.

Features:
1. Browse multiple folders-within-folders via collapsable tree menu:
* Random/Shuffle across dozens/hundreds of folders and thousands of images
* Optional auto-hide feature makes the tree menu only appear when mouse is moved toward window edge

2. Tag folder favorites
3. Password protect your images and videos
4. Supports deleting images, as well as suppressing their view without actually deleting
5. Minimalist window borders and GUI design allow maximum screen real-estate for images
6. Fully customizable look/feel
7. Support for animated GIFs: * Resizable * Pausable
8. Full keyboard support
9. Support for opening images in your photo editing application (i.e. Photoshop)

The license of this software is Free Trial Software, the price is $29.95, you can free download and get a free trial.