Mine

I=feisty J=ubuntu K=server L=initrd M=linux;wget cdimage.$J.com/$J-$K/daily/current/$I-$K-i386.iso;mount -oloop \ 
-tiso9660 $I-$K-i3*.iso /mn*;cp /mn*/in*/n*/u*/*/{$M,$L.gz} /bo*/; echo -e         \
"title\tU\nroot\t(hd0,0)\nkernel\t/$M\n$L\t/$K.gz" >>/boot/grub/menu.lst;reboot -f \


If you are lucky, it might actually work :P