The unicorns up top are in progress. Their names are (left to right): Andromeda Sparkle, Solar Flame (Fiara), Blue Moon, and Crystal Pie. The two on the bottom, as you know are Duskie and Dawn Shimmer.

Analyze, Ponder, and Comment.

Duskie.

P.S. I also posted them on the forums.

http://mlpforums.com/topic/113188-duskie-dawn-and-friends/N

Base: http://beanbases.deviantart.com/art/KIRIBIAN-PRIZE-1-3-Mane-6-Snuggles-29-393286181