Hi ProfessorM -I find this thread an excellent idea to share ideas and spark each other's creativity! Would you mind sharing the source(s) for the Snoopy and Union Jack? I have spent quite some time searching for high quality aircraft decals / warnings for my Super 3 (once I have it in my garage...) and bought these:
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They are not cheap but very well made (not the printed on white vinyl style) but every letter cut out individually so that the car color comes through. Some look so "greyed out" because on top there is the transfer layer of the sticker which only comes off once the sticker is placed on the car. By the way, the ruler is in cm, not inches! They come a long way from Canada, but IMHO worth the cost. Source: www.sierrahotel.net