These are sinister stories. The Nazi thing is one of those tiny details in photgraphs that sometimes you don't notice but when you do it's even scarier. It's a grim reminder.
Those look really good. I agree w/ WordyGrrl, it'd be funny to see one of those Penn and Teller-type TV shows have this food served at high prices at fancy restaurants and see how the clientele reacts.
Besides being potentially uncomfortable for the cats, those costumes can be disorienting for them I guess, their spatial relationship with the environment gets weird.If you must, dress them, take the picture and remove those costumes ASAP.