Hey... here's a set of gauges I found online a while ago. I made several changes to them but left the color alone. Changing the color wouldn't take much effort... give or take 15 minutes in photoshop to do a really good job.
I printed them out on photo paper (the Matte side). The toughest part of doing it was cutting them out to perfection, primarily the circles..
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http://64.180.254.77:8080/my%20car/Gauges/gauges.zip