Nice job!!. Next time you do some wheels, make a coil of paper the thickness of the desired of wheel, and with this really long coil, you will be able to line up the sides better. Another method is to make tabs that go on the outside of the side pieces, and incorporate them into a tread pattern.
Nice model to accessorize. It needs an interior really bad. there's a Jurassic Park Jeep that has an interior, it's an "ABC" model. It's ll over the web. I downloaded it and wondered how they could claim copyright when they had nothing indicating they had permission from the studio that produced Jurassic Park, nor did they have permission from Chrysler, who produces Jeep. This kind of double standard irks me, and I do not consider anyone posting this model as anything but the model of a jeep being posted. It looks like this: