Where can I get detail pictures of the car I'm building?

Detail Pictures, reference material, pictures, literature, call it what you will, it is all RESEARCH. The degree of research performed, can pay dividends on the degree of accuracy of a completed model. You the builder must decide where to begin and end this search for references. A good source to start with, are model magazines, both local and international, also there are various motorsport magazines around the world dedicated to the hundreds of different formats around the world. There are hundreds of reference books available too. It is up to the individual to find these and decide when enough is enough!.

Also, doing various searches using different search engines will yield results.