If you're looking for some custom vinyl letter decals, check this guy out.
I purchased two "Roll Tide" decals in a custom font and it was like $6.00, he charges about $1 per 3 letters.
Good quality decals, great customer service, and quick shipping.
I really like that he lets you choose any font from 1001freefonts.com, and he offers them in a ton of colors.
Just shoot him a message telling him exactly hat you want, and he will create a custom invoice for you.