To add an image to the course tile that is displayed under the "my courses" list in student view shown below
Select the file manager, to have the file manager you will need to be a group manager
Create a new folder (1. below) and title it " Course_Resources" (2. below) then select upload (3. below)
The following screen will appear
PLEASE NOTE : The specifications for images must be in pixels and 300 X 120 otherwise the image will be stretched
Once you have uploaded your course tile image to the file manager you will need to choose it from the course builder.
select Course builder and then the course you wish to add an image to.
Then select "Edit".
Scroll down to "Tile Image" and click "choose file"
The file manager will open for you to select the image you want to be displayed.