There is a pretty simple way to go in these launcher settings.
1. Download and install Launcher Pro
from Google Play (you don't need to set it as default launcher or anything)
2. Add Activities widget to your LG Launcher home screen. Search for Home - com.lge.launcher2.hiddenmenu.LGHomeHiddenMenuActiv ity
3. Voilą now you have access to hidden settings from your Home screen. If you change your settings they will keep even after restarting your phone.
Basically it changes bools.xml found on LGHome.apk
Here is list: