Are you going to do the rest of the ponies or are you pretty much done with this type of thing? It's so adorable and I really would like to see Rarity, Sweetie Belle, Tia, and Luna (and maybe Chrys? :3)
Someone make this a reality: Pocket Pony! The pony plush personalized for your pocket! (cue fanfare) And here's how it works: a plushie with wire in the forelegs to hold onto your pocket. and maybe the mouth could be a clip, to like, hold up nametags or something.