Devon H. O'Dell did a number of versions of the dragonfly logo:
http://www.sitetronics.com/fred/fred.ai
http://www.sitetronics.com/fred/fred.eps
http://www.sitetronics.com/fred/fred.png
http://www.sitetronics.com/fred/fred.svg
http://www.sitetronics.com/fred/fred.swf
Unless there's any objections, I was going to stick them into /site/save
along with the other public domain DragonFly art; they'll take about 144K.
Devon's explicitly given permission for this.