This screencast is part 7 (7/15) of the Learn Drupal 7 with NodeOne screencast series. It shows how to manage menus in Drupal 7.
-How to place nodes in your menus (and why this isn't done automatically.)
-How to add other links in your menus, even external ones.
-How to rearrange menu items, including managing tree structures.
-How to use disabled and expanded menu links.
-How to show menus in blocks on your site.
-How to add new, custom menus.
-How to select which menus should be available for nodes by default.