These are all the recolored student pony mares of the originals who doesn’t reside in Ponyville. The top shows the student ponies (who are unnamed), while the bottom shows the originals.  
From Top Left to Top Right: Unnamed Earth Number 2 from Season 8 Episode 1, Unnamed Earth Mare Number 1 from Season 8 Episode 14, Unnamed Earth Mare from Season 8 Episode 14, Unnamed Earth Mare Number 3 from Season 8 Episode 14, and Unnamed Earth Mare Number 4 from Season 8 Episode 14.  
From Bottom Left to Bottom Right: Sunshine Smiles, Raspberry Vinaigrette, Pursey Pink, Burning Passion, and Lavender Sunrise.  
Note: Sunshine Smiles is the only Unicorn on the list, while Lavender Sunrise is the only Pegasus on the list.