Getting a photo to fit perfectly on the iPhone lockscreen in no easy task and most of the time wont do the photo justice because the clock and slide bar are covering most of the photo. Now you can use an app called Lockscreen Wallpaper Designer to help you create a much better looking lockscreen photo.
Ryan Petrich, developer of popular jailbreak apps such as ProSwitcher, Rotation Inhibitor, Clippy etc has recently released another tweak called DeepEnd.
The jailbreak app gives the iPhone homescreen a cool 3D-like effect by moving the iPhone’s wallpaper based on its orientation.
According to the description provided in Cydia: