Hi shayne, the lighting one needs settings in the moi.ini file that are saved by Dinos' lighting plugin.

If you set up the plugin from here and run it once that should get it set up:
http://moi3d.com/forum/index.php?webtag=MOI&msg=5222.43

If it was working in v3 then you must have set up separate moi.ini files for v3 and v4? If so copy the entry from the v3 moi.ini under [Commands] LightingOptions=<.....> into the moi.ini being used for v4.

- Michael