USB Encryption : USB Safeguard is a Freeware Encryption tool for Flash Drives. It can be used to password protect any files that reside on your USB Flash Drive. Simply create a password and then drag and drop files from your Flash Drive into the Window. To gain access the encrypted files, simply re-enter your password.
As a Bonus, the author of the tool also includes a feature to remove internet browsing traces. Just click the explorer icon from the tool to expose this menu option.
USB Safeguard Screenshot:
File Size: 740KB
Authors Website: http://usbsafeguard.com
Download: Get this Portable USB Encryption Tool HERE