And now I am back to claim for the “really classy artist” badge again :3
Now count of arts is greather than 250: https://derpibooru.org/search?q=artist3Axbi2C__-reaction+image2C__-image+macro2C__-vibrating2C__-screencap2C__-exploitable+meme%2C__-edit
I think it should be Fluttershy tipping a top hat from the last image embedded there, similar to how the Ponibooru refugee badge was the last image posted on Ponibooru.