Na just GIMP.. using the paint tool for the lines, the fill for the color then the blender tool , then I add more colours
blender tool again, cut the whole thing, place an elipsis tool for the shadow filled in with around 34 Opacity, black,
paste, touch it up using colorise, hue/saturation, Brightness/Contrast.. and thats about it lol Thanks tho.. its for my Demo which is taking ages to construct XD