Here's a free usb stick imaging software. Really comes in handy for Enigma2 testing. Too bad I didn't have it earlier before I messed up my E2 usb boot stick.

Overview
========
ImageUSB is a free utility which lets you write an image concurrently to
multiple USB Flash Drives. Capable of creating exact bit-level copies of
USB Flash Drive (UFDs), ImageUSB is an extremely effective tool for the mass
duplication of UFDs. Unlike other USB duplication tools, ImageUSB can
preserve all unused and slack space during the cloning process, including
the Master Boot Record (MBR). ImageUSB can perform flawless mass duplications
of all UFD images, including bootable UFDs.