I've tried a skybox and a plane at the same time to get this...
As long as you have fog on it looks ok. It looks really neat (though not realistic) if you have a sun image in the skybox and rotate it as the texture on the plane scrolls.
As long as you have fog on it looks ok. It looks really neat (though not realistic) if you have a sun image in the skybox and rotate it as the texture on the plane scrolls.