Size: 660 pixels wide by 240 pixels high
•Choose an image that does not include text or headlines
•Choose an image that you have permission to use. This can be a stock photo (try Flickr creative commons, Stock Vault, Stock XCHNG, iStock Photo) or an image custom designed for your course
•Sequenced courses should each have a unique image
•Make sure that the picture is a high-resolution image, but compressed to no more than 200 KB
•File naming convention: CourseID_Banner.jpg