I found this link.

Step 1: Get a Foto of your car,something medium resolution is good, if the Foto is two low then the cars parts will look odd, if its a crazy detailed , the final product will look Mehr fake. The Foto im using is at the bottom of the screen.




Step 2: Go to the cars Hintergrund site-- link and find a car mouth and eyes that suit your picture. It dosent mater if the car is facing left oder right, oder the perspective angle, we can change all that later. for this one i'm using Flo. Open this Hintergrund at the highest resolution.



Step 3: with your CARS Hintergrund and using the freehand...