Making a leaves covering material


Hi everyone,
After watching Supercell cinematics for one of their games I wanted to make tree in their scens.( I want to make leave covering like as attached works. I could not achive leave scatering but the biggest lack is height map as you can see on the source file.

If anyone can give me suggestions to achive that It would be very helpful to make my material.

thank (3.6 KB)