This is a video on how to make realistic looking ground cover / shrubs / foliage for you model train layout using cheap and easy to find materials as opposed to using commercially available products.

Chapters:
0:00 Intro
1:00 Preparing the Polyester Fill
2:15 Adding Floral foam
4:17 Adding paints to the foam
8:30 Finished product
9:00 Placing it on the layout (Finished product)