What would be a good way in Paint.net to take an image like the one attached "full_image.jpg", and then turn it into a black and white illustration, like "outline.png". I wouldn't want the background. I know I can remove backgrounds in different ways, but is there some way to "lift" just the main outline out to get an illustration. I know there's no way Paint.net would know how to draw inside the animals, but how could I grab an outline? I will use these in a whiteboard Videoscribe animation. Not looking for perfect, but not clear at all how to approach this. Thoughts appreciated on some way to do this with Paint.net layers, or some other way.