Craig -
You have to make a special bmp with green dots on it (use your height map as a reference makes life easier thats all) this bmp will only do this job of placing objects, it does not affect your original heightmap.
In the 2.0.6 version there is a place to load this special 256*256 version just for placing the object you have selected, I gues it is so you can place trees around buildings which you have already placed.
IPete2.
You have to make a special bmp with green dots on it (use your height map as a reference makes life easier thats all) this bmp will only do this job of placing objects, it does not affect your original heightmap.
In the 2.0.6 version there is a place to load this special 256*256 version just for placing the object you have selected, I gues it is so you can place trees around buildings which you have already placed.
IPete2.