James,
This works very well, I covered my Van and get a lot of work because the Van stands out day or night.
Cost is Peanuts when you get nearly instant return on the Sign Writting
Goron, dont bother with the allerg-stop stuff as it makes no difference to the customers, Dont understand why you Solution guys feel the need to put his stuff all over the place anyway, Does he have your corporate markings on his marketing.
Looks good though.
Cheers
Neil