AHOY!!! There any good tutorial about realist tree model on 3DSMAX for some no real-time videos? And how can I make a good 3D model of a tree on lowpoly? Thanks Alexandre Ribeiro de Sá

Not sure if you are really set on making it yourself, if you have you seen the products at...

http://www.aliencodec.com/products/

COOL!!! and low cost

Thanks Raeldor!!!
You use this soft?