Eeeeh, I've pretty much just been tracing and adapting. Do a search for "my little pony friendship is magic" and you'll probably find my templates pretty quickly. And Illustrator all the way!It doesn't just look like it's not wearing any clothes, it looks naked, like it doesn't even have any fur on.
I prefer the coloured ones, but also when combined with her purple hair she'll look quite dark and samey. I'll think about it, but I'd rather have her with brighter colours.
Her lipstick might not be a bad idea...