You can personalize your course by adding a banner to your course. A course banner is an image that appears at the top of the Announcements page of your course.
Follow these steps to do it.
To add a banner select [Course Design] under [Course Options] in the [Control Panel] and then select [Course Banner]. Click the [Browse] button and navigate desired image on your computer. Select the desired image file and click [Open]. Click [Submit] when you are done.