Shadow of the icons

The icons have a sort of shadow behind them.

We have the shadow of the icons that are in the dock and it is called "WallpaperIconDockShadow~iphone.png" ("WallpaperIconDockShadow~ipad.png") and its size is 59x60 px (74x76 px).

Then there is the shadow of the icons that are not in the dock and it is called "WallpaperIconShadow~iphone.png" ("WallpaperIconShadow~ipad.png") and its size is 103x103 px (130x130 px).