I actually saw the Viper a few hours ago; it's very nice! I didn't reply in the thread because I don't really know anything about cars, or what the sprite could be used for. I'm not a motorsports fan, but I've always been impressed by your attention to detail and the huge number of sprites you're able to churn out. Your Nascar thread has, what, three hundred sprites in it?
I like the perspective on the El Camino sprite, but I have to say that I like the Viper more; it looks like something from an arcade game, like Out Run. If you made a few more angles and added tire animations, it could be used in a racing game! ...Or, at least an awesome animated profile image. I honestly don't see a single flaw on it.
As for the carrots... Well, I like carrots! Check out my Neopets profile, which has remained pretty much the same for the last nine years.