Rainbowshy: She was always being bullied and then left Cloudsdale, then got her cutie mark with animals.  
Flutterdash: She was like the a guardian angel of Rainbowshy. She was always protecting her friend. Then, when she competed in a race, she caused a Sonic Rainboom.  
Raripie: She lives on a rock farm, then, when she saw the Sonic Rainboom, and took to the live of partying.  
Applity: She tried to learn sewing and all that, then got her cutie mark.  
Pinkiejack: She got her cutie mark when she left home, and learned about apples and kicked them all off the trees.

New Version of Characters:  
Rainbowshy  
Flutterdash  
Raripie  
Applity  
Pinkiejack

Unfortunate implications? Maybe if you think about it too hard. The main thing I notice is that the cutie marks don’t seem to be the only thing swapped about everyone in this picture.

close, Rarity has RDs cutie mark

I support this with the force of 8 panzer divisions.

I see some unfortunate implications here.

All this infinite cosmic power is giving her a headache.