Im not keen on the product. I think it over-complicates the front end of the car (haha I'm not exactly one to speak really am I, with a huge great big black vinyl on the front of mine).
At the end of the day, some will love it, some will hate it. I think your also not helped by the fact that it is a hideous piece of photography - although I'm guessing that that photo was taken in a rush and not planned!
A clear film would be better to protect the car from stonechips - but I appreciate that that does your business plan no favours
I think your business idea is a good one, and when you find the right products to use it on, it will be good! (Obviously I know that this was why you started this topic!)
Best of luck