i used Dawn's tutorials for zombie RD and pinkie pie to do this. it's probably not the best drawing ever because i'm an amateur, but it's pretty decent so you won't be to disappointed. Now if i could just figure out the tutorials...
DragoArt members upload artwork and drawing tutorials! They are also allowed to leave comments on tutorials, profiles, etc. Many more features, as well; it's way better than just being a boring guest!