@kgill That's not going to work. He needs to set
xdg-mime default x-terminal-emulator inode/directory
(or similar, that's off the top of my head) to open the terminal when he inserts a usb. Although to open it in the right directory, he'll need to run a script with something like
danplanet.com/blog/2007/11/11/… (thx @hbdgaf for the link)