Progress Update #9 Continued Scenery

In the midst of constructing the benchwork, I've been continuing with moving along with the scenery. I've done most of all the ground cover for the Columbia River scene. I just need to add trees... A lot of trees. So, because of my need for mass amounts of trees, I've been experimenting with different methods for the best looking tree while staying cheap and quick. Here's some pictures of my progress.

Columbia river scene:
                                                             Before

                                                                 Current:

Here's a few trees I've built with the method using furnace filters for branches and cedar shakes for the trunks.