The Preferences tab allows you to choose which databases you want to search (if additional databases are available; these are configured by the system administrator). You can also enable or disable the display of cover images next to items in the Results and Bookbag pages, if cover images are available (your system administrator may have disabled this option).
Under Search Databases, select the database(s) you want to search.
Under Display Cover Images, click Yes or No.
Click Submit.