diff -ru mate-desktop-1.26.1/schemas/org.mate.background.gschema.xml mate-desktop-1.26.1.new/schemas/org.mate.background.gschema.xml
--- mate-desktop-1.26.1/schemas/org.mate.background.gschema.xml	2023-03-15 19:41:28.000000000 +0100
+++ mate-desktop-1.26.1.new/schemas/org.mate.background.gschema.xml	2023-05-03 12:07:30.893670959 +0200
@@ -34,7 +34,7 @@
       <description>Determines how the image set by wallpaper_filename is rendered.  Possible values are "wallpaper", "centered", "scaled", "stretched", "zoom", "spanned".</description>
     </key>
     <key name="picture-filename" type="s">
-      <default>'${prefix}/share/backgrounds/mate/desktop/Stripes.png'</default>
+      <default>'${prefix}/share/backgrounds/mate/luna/16.jpg'</default>
       <summary>Picture Filename</summary>
       <description>File to use for the background image.</description>
     </key>
diff -ru mate-desktop-1.26.1/schemas/org.mate.interface.gschema.xml mate-desktop-1.26.1.new/schemas/org.mate.interface.gschema.xml
--- mate-desktop-1.26.1/schemas/org.mate.interface.gschema.xml	2023-03-15 19:39:26.000000000 +0100
+++ mate-desktop-1.26.1.new/schemas/org.mate.interface.gschema.xml	2023-05-03 12:04:13.897704327 +0200
@@ -56,12 +56,12 @@
       <description>Length of the cursor blink cycle, in milliseconds.</description>
     </key>
     <key name="icon-theme" type="s">
-      <default>'menta'</default>
+      <default>'oxygen'</default>
       <summary>Icon Theme</summary>
       <description>Icon theme to use for the panel, Caja etc.</description>
     </key>
     <key name="gtk-theme" type="s">
-      <default>'Menta'</default>
+      <default>'TraditionalOK'</default>
       <summary>Gtk+ Theme</summary>
       <description>Basename of the default theme used by gtk+.</description>
     </key>