thanks for the replies everyone..First pic, believe it or not, isnt HDR.i basically enhanced the highlights to give a cartoonish look while keeping the car natural. i can definately notice the halo effect, thats if you are referring to the white around the bridge rails.
below is a version of the pic without highlight enhancements:
i only charged $50 for the shoot which compensated for petrol and insurance, is this an appropriate price? what is everyone else charging for car photographs? ended up with 20 useable pictures fortunately lol