u should remove ur old one

then download the 2 packages and u will have multiboot installed and backupmenu

and open ur mobile with opened keyboard and u will see the choice of backup menu

and if u want to open maemo pree 0

and when u install nitdroid u simply now have the newest multiboot so u need only to install nitdroid and then install its kernel

and if u want to install kernel power and have choice of it at multiboot tell me and i will tell u how to do it