By this sign we shall know each other.
The full Creative Commons licence is below, but essentially you can use this image as you see fit, as long as you don’t alter it or use it for commercial gain. Feel free to stick on mugs, t-shirts, embroidered patches, buttons and badges (apologies for it being so aggressively square…), tattoo it on which ever body part you have spare (standard disclaimers apply), turn it into a wallpaper for your phone/electronic device of your choosing.
Freezone logo by Simon Morden is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Based on a work at http://www.simonmorden.com/freezone/.
Permissions beyond the scope of this license may be available at http://www.simonmorden.com/contact/.