This screencast shows how to create a Windows Phone 7 application which follows the Metro and Pivot navigation styles.
This is the first of a two part series - the second part will cover adding gesture support and other relative details.
Relative blog post can be found here:
NOTE: What I create in these screecasts is more closely related to the Panorama style of WP7 app. Keep an eye out for a follow up to this screencast where we make the code more true to the native Pivot style for WP7.