I painted my cover myself also, but when I did the lettering, I used Elmers Paint Pens (Walmart Arts & crafts dept.). It's pretty easy to do freehand using the sides of the pen tips. I bought the medium size.
I then clear coated the whole thing with Duplicolor Van and Truck Gloss Clear.

You can check my gallery for pics.

https://www.crossfireforum.org/galle...1/ppuser/16856