Get rid of boring Slide to Unlock iPhone and iPod Touch Lock Screen and replace it with GravityLockScreen Jailbreak tweak to add bounces of Gravity. You can change the gravity and bounce that comes originally with this Jailbreak tweak in order to match you wallpaper showcase. You have the provision to hide the Lock Bar which will even enhance the overall look of the Tweak. Once you are done installing the tweak you can swipe the lock screen from bottom to top like a curtain raising and see the magical effect.
GravityLockScreen does not have any HomeScreen icon rather you can find it under iPhone or iPod Touch settings.
GravityLockScreen 0.0.1 is available for Jailbroken iPhone, iPad and iPod Touch for a price of 1.99 US$ however it can be installed from xSellize Repo using the procedure here for trial purposes but if you like the tweak please buy it from Cydia.
In order to enjoy these Applications and Tweaks you need to Jailbreak so you might like to see Redsn0w Jailbreak & JailbreakMe or to Jailbreak while preserving your baseband (software unlock) see TinyUmbrella, SnowBreeze & PwnageTool.
For more stuff check out our Jailbreak Apps & Tweaks Gallery for iPhone/iPod, Themes Gallery for iPhone/iPod,Games Gallary for iPhone/iPod & Appstore Apps Gallery for iPhone/iPod.