There is definitely some post-processing done in the original example. Reflections have been added and I suspect those long lines running through the sky are added afterward, too.
I think a major difference between your image and the examples is their use of simple, transparent trees. You could edit yours to make them transparent which would help.
I have made quite a few styles but wouldn't presume to copy an existing one even if it is commercially available one. If you really want that style, you should get it from Form Fonts.