Since I´v become a Traction Wars developer, I´v been producing and learning a lot about real time vegetation, all those assets are produced for Cryengine 3 SDK, and rendered here inside the real time engine, the softwares used were 3Ds Max and Photoshop, Traction Wars is a totally free to play game project, you can find more info here: http://www.twmod.org
This is the Vertex Painting for the wind shader.
