QuickLTD -
I used a 256*128 2-color bitmap :
http://ecomodder.com/forum/46370-post86.html - Post #86
I made one for your car, but I can't seem to upload it at the moment. It's only 5KB, so normally it shouldn't be a problem.
I also tried to make a movie on the flow illustrator website, but I think your image has soaked up all the disk space on that website. The 5KB image I made failed with a "disk full" error.
CarloSW2