Iris Shot Cydia Tweak -- Iris Shutter for ScreenShot Animation

with this tweak you can Replace the default screenshot flashing with camera’s iris shutter animation ! (as in Camera app) , after you install it You can enable/disable this tweak from the setting, as well as alter the animation’s duration via settings app. 
Some ScreenShots :

To download it all you need let the cydia refresh the sources, packages and the tweak then hit search and write Iris Shot, you will find it for free under the bigboss source, don't forget to tell us about this cool tweak.