NR2003 is short for NASCAR Racing 2003 Season, and is possibly one of the best oval racing simulators of all time. Although it is PC exclusive, 16 years old, and also technically abandonware, it has some of the best physics and one of the largest modding communities of any racing game. This thread is simply to show off your custom-created cars using a variety of programs, including GIMP, Photoshop, whatever.
I do not have my paint schemes readily available right now, but I will post some soon. Just post away with your high quality schemes. I would like to see renders of the paints using apps like CarViewer.