Attached Link: http://www.cpsc.ucalgary.ca/Redirect/bmv/cpfg3.0-tutorial/

 Oh yea give it to me now.... who's yure daddy... O yea...Like a 2X4 up side that big potato head.Talk to me moma...What's going on here???? Ok evil twin Aristo back into the evil closet for you... Umm. here is a poor little link that hit me in tha face...He..He..Trajectories not included...Shhhh.. Uh.this link give a good simple KB=knowledge Base on the L system topic...may help in appropriations guidlines for getting that tree or plant to looking better...But,that graphics are homemade???