locked Steam Decal Artwork


I have two questions.........
1.  Several years ago, someone (Donnie Dixon, I think) offered artwork for SOU steam decals, to be printed for personal use.  Are these still available, and where can I find them?
2.  Back when I printed them, the black-background, freight, decals "disappeared" when applied to a locomotive/tender.  I had to paint white the areas where decals were to go in order for them to show up.  I'm wondering if I used the wrong (clear) inkjet decal paper, or if there is a way to only print the numbers, letters, etc, and not the black background??
Thanks for any help you can offer.
Michael Dunnington
St. Louis, MO, area

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