The liveusb-creator is a cross-platform tool for easily installing live operating systems on to USB flash drives.
Works in Windows and Linux!
Completely non-destructive install. There is no need to deal with formatting or partitioning your USB key.
Supports automatically downloading various Fedora releases, as well as Sugar on a Stick!
Automatically detects all of your removable devices
Persistent storage creation. This lets you to allocate extra space on your USB stick, allowing you to save files and make modifications to your live operating system that will persist after you reboot. This essentially lets you carry your own personalized Fedora with you at all times.
SHA1 checksum verification of known releases, to ensure that you’ve downloaded the correct bits
Windows executable: liveusb-creator-3.6.5.zip (11M) (ChangeLog).
Note: Make sure to extract the entire zip file before running.
For Fedora 9 and 10, simply use Add/Remove software and search for liveusb-creator and install it or do
# yum install liveusb-creator
source : https://fedorahosted.org/liveusb-creator/