This tutorial will help you to insert a tomato patch on the bonnet of the car, this effect has been made by this example so follow now.
Take Picture: Capture any car picture.
Make a patch shape: Choose "bb352a" color and Pen tool (P key) then make some point as I have done here.
You car will look as here.
Effect: Go to Layer menu > Layer style >Bevel and Emboss and use apply same settings.
You will get this picture.
Insert Tomato: Insert the tomato picture on the patch as looking here.
Make duplicate picture of the tomato.
It is your done here.