You know, originally I did try to put the flying cow on front, but no matter what I tried I just wasn't happy with it.. Couldn't get the perspective to look right. So decided to put the flying cow on the spine, instead. Figured at least, that would be the first thing to see when sitting on the shelf.
I adjusted the neon orange text. :P
Also tried to dirty up the truck a little more. That's something you weren't here me say often.. Usually I'm trying to make the image look better, not worse.. lol.
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But maybe darken slightly more under the front wheels. To me, it looks like the back wheels are on the ground, but the fronts aren't.