I would not try to use RW3 trees as a standard. They were exciting a few years ago but the world has passed them by.
Vegetation is a serious issue on smaller railroads. I like to spend the time needed to make the trackside stuff look as real as possible. Without 3rd party vegetation everything looks the same and is very well tended to. One problem that remains is the trackside brush. almost all of it looks like it has been given a good dose of fertilizer. Nice bright green leaves. A fantasy world.
Trees and trackside brush make up a large portion of what you see from a train. Hillsides are a real problem with the original RW3 trees. They look like they were planted in rows and received constant attention to insure they all remain at the same height. The asset feature is nice but awkward to use. It would be nice to be able to make an asset from a variety of vegetation and save it. With several asset groups in a kit much better trackside vegetation would appear.
The other element is the grass. It is widely used and ends up looking like someone periodically trims the stalks to a common height - ugh. A simple trick is to lower the patch slightly and tilt it to place "shorter" stalks in front. I only use the 03 grass. The other stuff is either too green and/or too bright.
The point is that with care you can make a quite real looking RW3 scene. On a 200 mile stretch of rail winding its way through the Appalachian Mountains such attention to detail is beyond reasonable expectations.
Regards - Dick
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Program to take screenie weenys from da puter. Bro, Dude, Man operator Murysville,Pa.