Animer is a new tweak available on Cydia and developed by Bradley Friedman. This tweak will allow you to add various animations when displaying a notification bar, an alert window, or when view your multitasking bar.
Following Animer installation, go to the Settings menu to configure your tweak. Various features are available in the settings, with a time setting the animation to customize the display of a notification bar, an alert window or the display of the multitasking bar.
For the notification bar, you can activate voice to announce the notification and set a starting position for displaying the notification bar.
It will be possible to test the animation from the settings tweak. This tweak can be a good alternative to other tweaks like LivelyIcon or DisplayCandy. Animer is available for $0.99 on the BigBoss repo, and requires iOS 6.0 minimum.