keep up with you picture, you need to trim your wheels a little you can still see some of the tire that you got the wheels off, maybe try to see if you can find a better image so the wheels are a little clearer, you have to alter or change the right hand front light to match the left one, try using the clone tool sometimes when shaving or removing lights/badges, you should delete the windows out of the black car to give a more realistic effect, try to clone out the web site from the bottom of the page, nice job so far though, keep it up
just added a little something with some food for thought for you with this car, i like cars with some colour in them, as you can see more detail