Bryce 5 is a powerful 3d landscaping software which allows the user to make terrains from a gigantic lists of presets and also enables them to make there own terrains,
sorry i have put some of my own things in the bollen objects, but they are still useful.
beware though this is a complex program and is very difficult to fully utilize.
helpful hints:
1.Switch to camera veiw when moving in delicate space.
2.Ctrl+y is not redo, its preview all (Ctrl+Shift+Z is redo)
3.delete the floor when you start up and make a new one from the create tab
4.when you want to do a quick preview press the quick preview button and change the rendering options,