It is indeed a Changeling! In fact, I got it from this video here. What sort of Pone pic are you looking for?
I guess I could have a pic of Rarity or Rainbow Dash. (Not that I'm gonna change name, just PFP is enough.
There's a bunch of great Dash ones here, albeit without a background. ... ... actually, I really like these. I kinda want to make emotes of them. Rotate & Resize Tool: smirk vector rainbow dash You can use a simple editing tools for clipart. Available Rotate and Resize Tool for picture: smirk vector rainbow dash ya-webdesign.com