Add notices to all of your posts & pages at once. Customize where and how they appear.
Take Notice lets you add one or more notice boxes across your entire site. For each notice, you can customize the following:
Take Notice is built using a custom post type, and is fully compatible with WordPress 3.0 and newer. You can add more than one notice at a time, and customize the above settings separately for each one. (See Screenshots for an example.)