Create a EFI/UEFI GRUB2 Multiboot USB drive to boot ISO images
Install Ubuntu Linux on a USB pendrive
Using QEMU to quickly test an ISO or bootable USB drive
USB stick keep becoming read only
What actually happens when you plug in a USB device?
Write an ISO file to a USB stick
http://fedoraproject.org/wiki/How_to_create_and_use_Live_USB