Here are some small tweaks for the three cars. Other skins are being worked on, but I'm holding some of them as I want to release some team packs rather than flooding the AC Skins section with individual skins.
Changes include the new NTT IndyCar logo on the nose and the rollhoop, as well as some new sponsors for the #5 car. Also, because I'm a details nerd, I added logos on the brakes and the rims, mostly for the screenshots. Here's some pics: