My Little Pony Season 2 Unofficial DVD cover

A while before the second season of My Little Pony started, I wanted to make a cover for it as well. I've made a few changes after the first few episodes aired and this is the current state of the cover.

Vector artwork:
Logo: imageshack.us/photo/my-images/… (real source unknown)
Rainbow Dash: fav.me/d3f3egx
Applejack: fav.me/d3h0og4
Rarity: fav.me/d3khy8e
Pinkie Pie: fav.me/d414p6q
Fluttershy: fav.me/d3lbft0
Spike: fav.me/d3rtkjc
Derpy: keinzantezuken.deviantart.com/…
Gumpy: fav.me/d3k42u0
Opalescence: fav.me/d3gsxji
Angel: maximillianveers.deviantart.co…
Winona: mylittlepony.neoseeker.com/wik… (real source unknown)
Luna: mumepr.deviantart.com/art/Prin…
Discord: www.ponychan.net/chan/pic/src/… (expired link)
Owlicious: fav.me/d440f37
Tank: fav.me/d4go721
Cadance & Shining Armor: love-mist.deviantart.com/art/M…

(if you own any of the unknown vectors and want to be properly credited or if you don't want your vector to be used, please tell me).