Persistent Touchpad Configuration in Light Desktop

First - edit configuration via synclient or synaptiks (gui). Save it with synclient -l > touchpad-settings.

Restore with (add to autostart):

if  -f touchpad-settings ; then
  synclient `cat touchpad-settings | sed 's/\s//g' | tail -n +2`
fi

But to have really persistent config and have it also in desktop manger on login, save it in xorg.conf file.