Encrypting a USB drive with truecrypt and autorun menus
Format your usb (call it the L: drive)
Copy truecrypt exe, sys, and x64 sys onto the usb drive L:
Use truecrypt to create a new .tc encrypted file on your L: drive
In the autorun.inf replace _xaF9cQun with the name of your .tc file
Save autorun.inf
Copy autorun.inf to usb drive L:
Remove and re-attach usb drive
You should see it has a truecrypt icon
Right click it to see the true crypt options
Mount attaches your .tc file as the K: drive [default if you double click the L: drive]
Unmount removes the K: drive
Now you have a self mounting encrypted usb drive.