How to Set Slideshow Screen Saver on Each Monitor
Available in: Actual Window Manager, Actual Multiple Monitors.
Open the configuration window of the software.
Go to the Multiple Monitors tab and open the Screen Saver property sheet.
Find and check the “Slideshow on each monitor” box.
Select the first monitor and add desired files and folders to the special field.
Repeat above actions for the other monitors
Apply your adjustments.