Pages | Working with Sidebars
Within the appropriate home folder, navigate to the Metadata folder and then to the Sidebars folder.
Right-click on the Sidebar folder, click "Insert, and click Generic Sidebar.
Name the sidebar.
Add content using the directions in Editing an Existing Page section.
Add an Image to the Sidebar
Go to the Media Library and select the appropriate Web site. In the Sidebar Images folder select the sub-folder and category. Select the image and click the Insert or OK button. The sidebar images have been pre-sized to fit the sidebar window.