Those don't look quite right... For one thing, Constance is way too chubby in the top one, and doesn't look old enough. I think those are concepts rather than the actual pieces that are in the Portrait Chamber.
Cinderella IV: The Bloodening
"It's okay, Beaker, we're scientists. We get paid to fail."
They look like the ones on the ride to me. I've never seen them up close right in front of my face, so maybe they look different from way up high to right in front of you. The links doombuggy driver look like the same pics I put up.
Thats all i have. I made the tightrope walker's dress for halloween, and i know how difficult it is to find good pictures of the portraits. I love your idea of making them into tattoos. Would love to see the results as well!