This is Derpy from the background of Hurricane Fluttershy. I made this with Ponyscape
and despite some trouble did get it done very quickly. This took between 2 and 2.5 hours from start to finish.
Edit: Wut...2 favorites and 1 view...how does that math work?
Download the SVG file here
I don't own MLP:FiM or Derpy Hooves.