Pathfinder. This post will be an ongoing update thing, like story posts, as he releases more. Above, you will find the pegasus. Unicorn/Earth Pony have been dropped to after the break.
So, if you play Pathfinder at all, or are interested in it, he wants to get some feedback from people actually trying out the characters in order to better design the cutie mark mechanics.
Earth Pony/Unicorn Now After the Break! (With even more grammar edits)