Lively Wallpaper Metro is Poweful and Simple application for setting dynamic desktop wallpaper. And it is modified from Lively Wallpaper which is free and open
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1. Launch the app from the right bottom corner of the taskbar.
2. Choose the Settings.
3. Switch to the "Performanc" item.
4. Change the properties of the wallpaper playback,etc, Pause on Application Full Screen.