This is a great place for labels for your ballast switches:
http://www.bluesea.com/productdetaillist.asp?d_id=7136 You just have to search on certain words and then you can cut out those words with scissors. I used Bow Port, Bow Strb, Center, Stern Port, Stern Stbd. The labels are black with white lettering and stick on.
If you want to search on a certain word you can do so through their catalog, you can download it here:
http://www.bluesea.com/Article_detail.asp?id=199&Section_Id=160