This one's nice and colorful. :) The lung has some nice scales (that must have tormented your hand :o ), and the lion definitely has that costume lion look to it. I would say that a darker background would help pull out the characters better, but that might be a bit more than you're willing to get into for the time being (which is fine).
This one's nice and colorful. :) The lung has some nice scales (that must have tormented your hand