Excellent Photoshop tutorial for 3D effects

Shiny Earth:

This tutorial will show, to create a shiny planet icon using the 3D features of Photoshop CS4 Extended.
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 Peeling a Hand in Photoshop:

 demonstrate how to peel a hand in Photoshop View Tutorial

"Bugatti Veyron" Photoshop tutorial:

create "Bugatti Veyron" car in Photoshop View Tutorial