if you have not noticed, this is my ubuntu master thesis....
check it out and share it with your friends =)
unetbootin-linux-568 worked good for me.
alt + f2
enter sudo password to give access to have it beat up ur usb stick.
locate your ubuntu iso i got mine @ http://releases.ubuntu.com/precise/
and put it on ur cd key. if u dl it with seamonkey or firefox its probably located @ $HOME/Downloads also....
reboot your computer and select in bios / boot order USB then cd then hd to boot from the usb rather than hard drive when usb stick is plugged in.