Easter Eggs 2007
Fill 70% on the layers.
Blending Options-Gradient Overlay
Make two copies of the recently made layer and select the Free Transform option to correct the size of the copies and their location.
Now we should combine in a group all the layers composing those three green stripes.
Make a copy of this group and apply again the Free Transform option to turn the copy around and to make it look exactly the way it is shown below: