it's finally done. this took me 1 entire week, hehe

Featured on Equestria Daily http://www.equestriadaily.com/2011/12/ytpmv-grim-grinning-ponies-flutter.html

MP3: http://www.mediafire.com/?zu1mii2ym37b2uy
And if you want hear it without the BGM: http://www.mediafire.com/?i92r53c9ix25d98

Also, you guys found Derpy! Here is the pic i made for this MV, if you want see: http://joltjolteon.deviantart.com/art/Derpy-teaches-Fluttershy-how-to-eat-Muffins-272539364?q=gallery%3Ajoltjolteon&qo=1

BGM is Future Destination by MGD Sound Team. https://www.youtube.com/watch?v=tZ9hT2Pok7U

Thank you!