I found WinToFlash is easier than other methods of creating Windows XP installer on USB Thumdrive.
1. Download the application from here and run the executable file.
2. Select Windows files path and USB drive
3. Accept the license agreement and press Continue button
4. Type in Captcha protection
5. Wait until files transfering finish
6. Click Next button
7. Press Exit button
- wintoflash xp sweet
- win setup from usb 2012