Creating depth/Hollow Effect

[FxBOOM]

Step 1. Create a new document 400*400
Step 2. Fill the copper gradient from top to bottom .
http://images5.theimagehosting.com/t1.44.jpg
Step 3. Make a Selection over it .
http://images5.theimagehosting.com/t2.31.jpg
Step 4. Goto Edit>Transform>rotate 180*
YOu will end up with somthing like this
http://images5.theimagehosting.com/t3.22.jpg (http://www.theimagehosting.com)
Here is a use of this effect
http://images5.theimagehosting.com/xbox.9.jpg (http://www.vivsin.com)

[FxBOOM]

Opps forgot to say u can press "ctrl+U" ( Hue Sat box) to change colors of ur image.