Quite an interesting experiment of some sort. Both in trying to know what to do and how to do.

Approx time: 2 hours
40x speed

Music by Retrupack Lower:
Retrupack Lower - Sad Pinkie Pie
http://www.youtube.com/watch?v=r-Lsy4HzvPE

Final art:
http://assasinmonkey.deviantart.com/art/Pinkie-s-other-side-351465640