This is a free lineart base from TheWhiteFalcon of FA, also known as DirtyBird here at Weasyl.
I added some lines to more fit Delailah, and did the coloring.
Original Linework © TheWhiteFalcon of FA (original base here: http://www.furaffinity.net/view/13782164/ )
Line edits, coloring, and character likeness © Me