Looks like an Olds Alero ’40 Ford Tow Mater undergoing hormone therapy. Nice spoiler, too.
[UPDATE: Here’s the same mashup in progress!]
[Top: I rotated & morphed the negative image of the snow shadow. Bottom: Original image found here.]
Update: FWIW, here’s the positive of the morphed image:
Don’t laugh. You know exactly what he’s selling, ya?
He probably knows more about growing, harvesting and distributing food than you or I, and his wheels are better than yours. Jes’ sayin’.
[Found in here.]