for all who having problem with 2.6.28.10power44 not showing on multiboot just enter this command in xterminal
code:
root
apt-get install kernel-power-bootimg kernel-power-modules
then
apt-get install --reinstall multiboot-kernel-power
and
apt-get update
apt-get upgrade
then reboot you see 2.6.28.10power44 show up on multiboot
it work for me