How to get that realistic palm leaf shadow? I want to have a shadow of a palm tree leaf on my product in Blender (cycles). Something like:

I want this to look realistic, is modelling the leaf the best way to go about this? Is there any other way?
If you need only the shadow of the leaf you can place a transparent clipart of a leaf in front of a light. The size/radius of the light source determines how soft or hard the shadow is cast. (Well, the shadow is not that dark as in your image but you get the idea.)