How to make a Mozilla Firefox 4 Custom Theme/Persona?

Try following this basic tutorial: a href="http://www.softsailor.com/how-to/17296-how-to-create-firefox-themes-your-own-persona-in-4-steps-from-design-to-submit.html" rel="nofollow"http://www.softsailor.com/how-to/17296-h…/a