look more appropriate to have OI branding on the unlock screen.
--- mate-screensaver-1.26.1/data/org.mate.screensaver.gschema.xml.in.old 2022-08-04 16:50:17.899658532 +0000
+++ mate-screensaver-1.26.1/data/org.mate.screensaver.gschema.xml.in 2022-08-04 16:50:37.229786423 +0000
@@ -91,7 +91,7 @@
Allow the session status message to be displayed when the screen is locked.
- '@datadir@/backgrounds/mate/desktop/Stripes.png'
+ '/usr/share/pixmaps/backgrounds/openindiana/openindiana-default.jpg'
Picture Filename
File to use for the background image.