If you are not good at using PhotoShop as me.
Taking your time in surfing Podium Browser.
That will help you easier to throw a stunning image.
You could find all my landscape in the categories by followings:
Clouds:Environment / Clouds / Sky 03
Houses:Environment / Backgrounds / Streetfront 1
Trees:Vegetation / 2D Trees / Outdoor 104 & EG038
Plants:Vegetation / 2D Plants / Cadplants cpp1209 & Cadplants cps3286 & Outdoor 084 & Outdoor 018
SketchUp Style / Podium / No sky simulation
Make a try and enjoy it!