i3: Change wallpaper and switch to this config using wal

.config/i3/config

@@ -251,7 +251,8 @@ exec --no-startup-id blueman-applet
 exec --no-startup-id xset b off
 exec --no-startup-id nm-applet
 exec --no-startup-id flameshot
-exec --no-startup-id feh --bg-scale ~/.config/i3/wallpaper.png
+exec --no-startup-id wal -n -i ~/.config/i3/wallpaper.jpg
+exec --no-startup-id feh --no-xinerama --bg-scale ~/.config/i3/wallpaper.jpg
 exec --no-startup-id xdotool key --clearmodifiers Num_Lock
 exec --no-startup-id unclutter