Also depends how fast you drive. When at a low speed, the camera is close to the car and its fine. From a larger distance it gets pretty jerky. Nevertheless, is it getting getter and better
You can also put interlace to 7 to speed through the slower sections and switch back to 1 after. Also theres a game list here http://wiki.gp2x.org/wiki/GP2PSX
It's not always up to date but it might help you at some future time