doc@Greyskull:~$ sudo ls -l /dev/disk/by-id/*usb*
[sudo] password for doc:
lrwxrwxrwx 1 root root  9 Aug 31 21:04 /dev/disk/by-id/usb-JetFlash_Transcend_2GB_6T2BM03B-0:0 -> ../../sde
lrwxrwxrwx 1 root root 10 Aug 31 21:04 /dev/disk/by-id/usb-JetFlash_Transcend_2GB_6T2BM03B-0:0-part1 -> ../../sde1
doc@Greyskull:~$ sudo dd if=xbmcbuntu-11.0.iso of=/dev/sde bs=4M;sync
dd: opening `/dev/sde': No medium found