Quarrel [Fo:E - The Fossil] (lineart)

Once I realized the pony on the right was a zebra, the mane made much more sense. That is some really... well I guess I can't call it "clean," but you're clearly in complete control of that lineart. Doesn't hurt that the little pastel equines themselves are very well put together. I find myself fascinated with the way you drew the pegasus' hair... and those tires in the background.