WNW: MOAR PONY ALIGNMENTS

Because why not, right?  These are stolen from Zak's Alignment System.

Twilight Sparkle: Curious Righteous

Pinkie Pie:  ADD Fancy

Rarity: Fancy Greedy

Applejack: Righteous Laid-Back

Fluttershy: Laid-Back Fancy

Rainbow Dash: ADD Bloodthirsty, or possibly vice-versa

And, for completeness' sake, the Cutie Mark Crusaders:

Apple Bloom: Greedy Sneaky

Sweetie Belle: Greedy Fancy

Scootaloo: Greedy ADD