There is a new tweak in the Cydia store that gives your SpringBoard a unique look. it gives instant theming using masked images.  With Masks, you can choose between 40 pre-made image masks, or create and use your own mask for either your icons or your wallpaper. You can purchase Masks in the Cydia Store via the BigBoss repo for $1.99. Check out the video and features after the break.

Features:

• Choose from 43 premade high-resolution masks
• Create and use your own , custom-made masks.
• Icon Masks
• Wallpaper Masks
• Launch Screens Masks
• Use the same mask, inverted, for a different effect.
• Option to colorize your icons.
• Pre-made Collections with several masks of the same theme.
• Works on iPhone, iPod and iPad.

Source [FSM]