Digital Signage Mode:

Video Storm NetPlay Digital Signage is a background application that will display image slideshows when live video is not selected (source 0 is active). 

For image files:

• Go to the IP address page of the VRX device that's connected to the TV you want to display digital signage
• In the General Config settings, set your background app to digital signage
• Click on Digital Signage app config
• Follow the onscreen instructions for setup
• If you are using image files on a USB stick, the local path is /media/usb/.  It will also be shared to the network as smb://ip_addr/Media_lib/usb/.