I am the only one having a difficult time trying to identify most of them?
From left to right, going down (each row separated by a space):
- Twilight and Dash (scene when Dash is breaking down the barn)
- Twilight
- Discord
- Celestia
- Twilight (x3)
- Twilight, Applejack, and Rarity sleepover (x2)
- Fluttershy and Twilight (I see a hair stripe)
- Fluttershy (x2)
- Fluttershy and (ye olde villain) Spike
- Dash and the CMC
- Dash and Applejack (start of the race)
- Dash and Fluttershy (hearth's warming play)
- Rarity
- Pinkie Pie
- Rarity (sewing Pinkie's gala dress)
- Rarity
- Rarity and Sweetie Belle (when Rarity was telling her to stay out of the way)
- Rarity (the human everyhuman should know)
- Pinkie Pie (x2)
- Applejack and Big Mac (not sure what the mint gum business is though)
- Big Mac and Applebloom
- Depressed Pinkie
- Crazy Twilight
- Derpy
- Fluttershy
- Spike (x2)
- Scootaloo
- Flim & Flam
- Trixie
- Luna
- Gilda
- Cheerilee
- Zecora
- Granny Smith
- Mayor Mare