You could try photo-to-sketch and do a pencil or ink sketch, maybe even a pastel sketch, and bitmap trace it in Xara. That would give you a vector result. There is free version and a paid version which has a few more features. The downside for what you are wanting to do is it will not make a cartoon from your art. So if you are wanting to do that try creating the entire thing in Xara yourself, which would be vectio,
http://photo-to-sketch.en.softonic.com/
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