Ford GT Street - Before & After

Put together an image composed from two separate photos. I've recently dedicated more time to really teach myself how to do some serious photo retouching/maniupaltion. I enjoy photography as an amateur, and am a professional designer by trade, so my attempt is to continue building on the already wide range capabilities I have. Now I realize that I am only beginning to really grasp this technique and not a professional retoucher, so I welcome everyone's comments and suggestions.

Worked in PS CS3. Utilized plug-ins ReDynamix and Topaz Adjust to get some of the effects. Applied vignetting to background image and increased saturation. Select cut out road and applied on separate layer. Then applied gaussian blur to main background image. After processing separately, I selectively cut out Ford GT from original photo, then dropped into background image as overlay layer. Added slight drop shadow to car. Used free transform to manipulate car into final perspective view.