Cut out image

I need an image of a truck cut out and put on a white background with a light grey drop shadow. The bottom half of the truck is the hardest bit as i need it cut out perfectly so the wheels can be seen. image1, is the image that needs to be cut out and "sample" is a sample image of how i want it cut out with a drop shadow. I need this done ASAP! Please show examples of your previous artwork.