1) Click 'Manage Catalogs' under the 'Lists' heading of the 'Control Panel'.
2) Under 'Existing Catalogs:' select the catalog you'd like to add an image to from the drop-down menu.
3) Click the 'Edit' button.
4) Click the image tab.
5) Click the 'Choose File button and open your image file.
6) When you are finished, Scroll down and click the 'Save' button.