Step 1:  A .jpg or other image can be used as a background image in PubWorks.

Step 2:  Click System>Select System Setting… 

Step 3:  Within the System Settings Screen Click on the Miscellaneous Tab.

Step 4:   Click Browse… 

Step 5:  Navigate to and select Picture you would like displayed. Click Open.

Step 6:  The new file path with be displayed below Background and Icon Files. Click Ok.

Step 7:  Close PubWorks and Login. (Not Pictured). The image displays correctly as a background.