Hi guys,

I came across this. I'm not sure whether their Open Hardware matches
Balloon, but if it aligns - perhaps you might consider using the new
Open Hardware logo:

http://www.evilmadscientist.com/article.php/oshwlogo-geda

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)
Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me)