Trees

In The Elder Scrolls 4, Oblivion, The trees are very good looking, and I studyed them a bit, Noticing that the leaves - Planes with alpha, turn to face the camera, therefore, not making the fact that it is a plane, particularly obvious. Is this achieveable in Panda, and if so, how.

panda3d.org/manual/index.php/Billboard_Effects

Thnx!