i thought not a easy thing to do..
Did have a issue with getting knoppix to work with below solution
I was wrong..
HASH MD5: C28AA2726E62011EDBFD53A33E43BBE3
That's all there is to it. You should now be booting your favorite ISO files from your Multi-Boot USB device!
* Make sure any active windows are closed for your USB drive letter when first running this tool, or fbinst will fail and your USB will not boot to menu!
Very easy too
just download the program
and it will auto download most iso to your pc and then install that into a USB drive.
The drive has to be formatted so make sure nothing valuable is on it.
I personally like
Kubuntu 10.04 if your a educator
Recommend a 4 gig usb stick.
its pretty neat.