A course banner brightens up a course home page and helps users identify the course they’ve entered. Any image can be made into a banner, but the ideal dimensions are shallow and wide.* Text can be added to an image using editing software, such as Photoshop, or an online image editing tool such as picmonkey.com/.
*If you use the announcement tool in your course, you’ll want to make sure your banner isn’t so tall that it pushes the announcement area out of sight. Read more about that here.