We've opened two official "The Specials" merchandise shops! We are using two print on demand companies Zazzle (UK based) and CafePress (US based).
They both sell pretty much the same things e.g. T-shirts, sweatshirts, badges, buttons, posters, etc. There's nothing to stop you buying things from either store, however don't forget that postage and import taxes can get a bit expensive when buying from abroad.
As you may know, we made "The Specials" with no outside funding and edited it in our spare room, so anything you buy will help us fund Season 2!