It's been such a long time since I last did this that I'm not even sure I still know what I'm doing. Well, this is my first customization on OS X Mavericks, so bare with me here.
Icons in finder: Spotify, Chrome, Twitter for Mac, Documents, Downloads, Trash.
Wallpaper by hybridic
Desktop folder on bottom left is from kshegzyaj
Finder icon by benbackman
Spotifty icon by 1davi
Chrome icon by ampeross
Twitter icon by nobtaka
Trash icon (empty & full) by thirteen-eightyone
Ribbon by side-7