If you'd like to experiment with editing this wiki, go to the Sandbox, where you can mess around and experiment to your heart's content.

If you'd like to cut and paste some code for pages, try the Code Bank page. That's where you can find the templates for the kinds of pages (like the contents organization for People, for example).

The BEST resource on editing this Wiki is the one maintained by the PBWiki team itself. They maintain a WikiStyle page that has all the basics.

The PBWiki people also have a really nice FAQ about their service, and it includes some really great tips.