Submitted to Chrome Store

I've only gone and blown the bloody doors off!
Removed PNGs and added Canvas

All thanks to:

http://www.storminthecastle.com/2013/07/24/how-you-can-draw-regular-polygons-with-the-html5-canvas-api/
and:
http://smus.com/dynamic-icons-chrome-extensions/
Tidied up a wee bit