Part 1: Basics
Doodads:
1. Doodads that cover the ground like a texture, such as tarmac and decals, can be made more transparent by lowering their height. To do so, double click the doodad and set the height to for example -3.0. The lower it is, the more it fades out. This is useful whenever you want your doodad to draw less attention and blend in with the ground textures.
2. I struggled a lot with cliff doodads before I realized that the method of lowering their height is probably wha...