Nice gothic drawing style from Fernando Faria ;) !
Artist's comment: "Since Jenny is a teenager, it would be normal to see an episode with her experimenting some new visuals. And here is Misty to take her to the Bad side. I guess some of the writers here can do a great fanfiction of her on the Dark side."
By the way, here's the wallpaper version:
Also, you can check Jenny in another exo-skin here ^^ !