Photostand collects many different kinds of Web wallpapers on the Internet Web Wallpaper servers and enables you to set those images at your PC's desktop. Photostand recommends more than 40 thousands pictures from the Wallpaper servers' detabases.
This is a free / open source application.
It changes wallpapers at each interval with a specified displaying style. Users can be choose a interval and a style from the predefined value in the menu.
Pictures are selected from the folders list randomly or sequencially. The list can contain any folders on the local computer as well as shared disks.
It also support the internet web wallpapers. Specifying some keywords for pictures, and the server selects picture's URLs from the database and sends one to the application. Then the application set it as the wallpaper automaticlly.