Hi Asst Chief 7 - I think I can help you with this one! I specialize in designs just like you are looking for. I have my own design company online to supplement my full time volunteer fire captain job!
If you send me a good photo, or a couple of them of your trucks I'll do some sample photos for you. We can change them and play with them until you like them, and if you don't - no obligation. No extra charge ever for firefighters to do their personalized photos. My email is firstname.lastname@example.org