other mediums can look good on screen too. the biggest reasons is skills and cost. Very few people can actually do digital watercolor, pencil, oil, collage, e

other mediums can look good on screen too. the biggest reasons is skills and cost. Very few people can actually do digital watercolor, pencil, oil, collage, etc. well. Those take years and years of training. Flat illustrations are no picnic, but they're much more forgiving to novice.