The Best way to get this done is to go to a local sign shop and ask them for Avery, or Orocal 7 - 9 year Vinyl lettering. Show them what you want to do, and explain to them you want the letters to Knock Out. That way you can order whatever font you want to say whatever you want and pick a vinyl color to match your paint.......Like These on my father and I's Sky's
The stuff off Ebay is not great vinyl and it looks like everyone else's 