Github is a neat way to host projects. A link to a repository or a hosted application is infinitely more consumable than a video demo. The Github bootcamp has tons of info: http://help.github.com/, and would be a great place to start. Don't worry too much about your credentials on paper --- put together code samples that demonstrates your ability to work with the languages and frameworks you mention. There are several startups that would love to hire a motivated, resourceful hacker.