To enable this feature, you need the following line in your ~/.mailcap file (Unix):
image/x-onroot; xv -root -max -stdcmap -quit %sAs an alternative to Netscape, the following might be run at regular intervals (not less than 5 minutes):
lynx http://sundae.triumf.ca/web1/ISAC-current.rjpgWindows users require a helper application for the MIME type "image/x-onroot" capable of writing a JPEG image to the screen background.
A.Daviel