As you may know, The Start screen in Windows 8 contains several hidden options. Some of them can change the animations behavior.
Start Screen Animations Tweaker is free software which allows you to tweak all parameters related to the animations of the Start screen in Windows 8.
With Start Screen Animations Tweaker you will able:
to change behavior of the user name text slide animation.
to change behavior of the user picture slide animation.
to change behavior of Tiles slide animation. It has two options:
left-to-right animation. Tiles will fly from the "far" left corner into the screen. This reminds me effects from the Solitaire windows game.
right-to-left animation controls the right position from where Tiles will slide to their regular positions
to enable animations for every time you visit the Start screen in Windows 8, not only at login.
Start Screen Animations Tweaker has user-friendly one-click option, which allows to you to enable all the featured animations at once.You will get them immediately, without re-login.
There is "Reset to defaults" button which allows you to restore the default settings of your Start Screen.