This logo just plain sucks. The grey gradiant would not print easily on mugs or other chochkies. The graphic design is bad. What was I thinking!
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or 
What the heck is this?
The peace symbol is a universally reconized image, but it's never been copywrited. Let's steal it! It's a good logo and it worked for peace. It can work for DUG too!
Color variation on entry #11
Text variation on entry #7