Downloades beautiful photos of our planet. Each photo is sourced from the users of http://reddit.com/r/earthporn and credit goes to each user for every photo.
-h=false: Display this help
-f="/home/you/.wallpapers": Local Wallpaper folder (must exist)
-n="earthporn": Subreddit Name
-r=false: Run the Screen Saver
-s=10: Sleep seconds between images