I just love Derpy. <3
She's my fave character in the My Little Pony: Friendship Is Magic series.
I used [link]
as a base.
Also, you can animate it if you like.
This icon is free to use, but there are some rules:
~Please do not make any changes to the icon picture itself. Adding your name or username is allowed.
~Free use on dA only.
~Do not claim as yours.
~You can animate it or change the animation to your likes.
~Must credit me in your signature or your devID section of your page.