Burg on Ubuntu[SOLVED]

I’m trying to add different icons for multiple vista boot loaders Does anybody know how?
burg.cfg:
menuentry "Windows Vista (loader) (on /dev/sda1)" --class windows --class os {
   insmod ntfs
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 01cceb45a361fb00
   chainloader +1
}
menuentry "Windows 7 (loader) (on /dev/sda2)" --class windows --class os {
   insmod ntfs
   set root='(hd0,2)'
   search --no-floppy --fs-uuid --set 01cceb45a44b97b0
   chainloader +1
}
thanks in advance
Answer #1
Ok I figure this out, but I can’t seem to boot latest ubuntu iso from grub. Does anybody know how?
I tried this but doesn’t work.
menuentry "Boot Ubuntu 11.10 Live ISO" {
loopback loop (hd0,5)/boot/iso/ubuntu-11.10-desktop-i386.iso
linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-11.10-desktop-i386.iso  file=(loop)/preseed/ubuntu.seed quiet splash --
initrd (loop)/casper/initrd.lz
}
thanks in advance.