This Script allow you to create a ground plant by setting some parameters.
I tried to make the controllers the most easy as possible.
2-Copy the "Vegetation.ms" and the folder "Vegetation"
3-Paste then into your Scripts folder like "C:\Program Files\Autodesk\3ds Max 9\Scripts"
4-Open your 3DSMAX then open and run the "Vegetatio.ms"
5-Go to "Customize user interface", on "Toolbars", category "Vegetation" and add the button "V" to your Toolbar.