This screencast is part 6 (6/15) of the Learn Drupal 7 with NodeOne screencast series. It shows how to change some block settings, such as visibility settings.
-How to create new blocks manually.
-How to show blocks on the site frontpage only.
-How to show blocks only on specific node pages.
-How to show blocks only for specific users.
-How to allow users to turn on/off selected blocks.
-How to make blocks appear (or be hidden) on selected URLs, including using wildcard placeholders.
-How to remove the title on blocks.