Script Download:SetStartScreenAnimations.zip
http://gallery.technet.microsoft.com/scriptcenter/Script-to-tweak-Start-86eb3087

This PowerShell Script shows the Start screen animation every time that and tweak Start screen animation in Windows 8.

In Windows 8 the Start Screen appears with a smooth animation, it's very beautiful.But this animation is shown only at first login. After that if you switch to Start Screen from Desktop or from any other app, the animation is not shown by Windows.
This script can be used to force Windows to show the animation each time you access Start Screen.
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You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery