Attached Link: http://www.threekingdoms.com/bantam3d/

Bantam 3D scatter can use a grayscale images to control the height. It also lets you use grayscale image to control the liklihood that an object will be duplicated or scattered to a location. In other words, you can leave fields or roads clear of duplicated trees.

You can still get geese's programs from the Romance of the Three Kingdoms website. The unlock code for each program is located in the readme or install text program located in the zip file.