Landscape Legend Lightroom Presets - created specifically for landscapes and nature photos. 100 one-click presets plus extensive collection of workflow presets. This light room tutorial offers lots of help.
If I want to take dramatic portraits on a black backdrop (without even needing a single light), a garage is your new go to spot. This is the simplest (and most makeshift looking) setup that I use. As you can see in the image above, all I am using is a pie