Squashfs error when customizing live cd

[the_real_fourthdimension]

Hey All

I'm following this guide to customizing a live cd: https://help.ubuntu.com/community/LiveCDCustomization
I get to this step:
Extract the SquashFS filesystem


sudo unsquashfs mnt/casper/filesystem.squashfs
sudo mv squashfs-root edit

And I'm told that the filesystem is too new for squashfs to support. I'm running 9.10 and the image I'm working with is also of 9.10. I've just updated all my programs.
If anyone knows how to solve this, I'd appreciate it.
Thanks.

[nilarimogard]

I think you will find this (http://www.webupd8.org/2010/01/web-based-ubuntu-and-debian-custom.html) a lot easier to use.

[the_real_fourthdimension]

Thanks a ton! I'll give that a shot.