I'd like to give Rip Lickingood's car a little more personal touch. A #0 Krispy Kreme/Cheerwine Ford would be awesome.
Here are the logos:
Green, red, and white rule the day. Stylistic elements that come to mind are the pattern on the KK box:
and bubbles, though I like the KK polka-dotting better. Of course, do what you think is most fun.