You may want to try making your own decals. You can print them off with an inkjet or laser printer. You can purchase plain decal paper here:
http://www.decalpaper.com/
I just noticed that they have a new 'rub-on' decal paper. No water needed.
You just create a sheet using your favorite word processor. You then
print out your labels on plain paper and 'tape' them to the panel to see how they look. Once you are happy with how they look, you can commit them to the Decal paper. The only problem is that Inkjet and Laser printers cannot print 'white' . However, dye-sub printers can. They have come way down in price and you can buy one for under $200, in some cases under $100.