spoofing mac address on MAC OS X SNOW LEOPARD

GO TO THE TOP RIGHT OF YOUR SCREEN AND PRESS YOUR AIRPORT ICON  PRESS JOIN OTHER NETWORK IT WILL DISCOUNT YOU FROM THE NETWORK YOUR ON  MAKE SURE YOUR DISCONNECTED FROM THE NETWORK OR THIS WILL NOT WORK ......WHAT I DO IS JOIN OTHER NET WORK THEN JUST PUT Q AS A NETWORK THEN CONNECT DO WHAT EVER IT TAKES TO GET OF THE NETWORK SHUTTING THE AIRPORT OFF WONT WORK SO YOU HAVE TO DO THIS WORK AROUND 

OPEN UP TERMINAL


TYPE  ------------>         ifconfig en0 | grep ether        < -------------  hit enter
NOW IT SHOWS YOU THE INTERFACES NEXT TYPE --------------------------------------------------------->     sudo ifconfig en0 ether 00:00:00:00:00:00
AND HIT ENTER THEN CHEEK IT WITH ------>     ifconfig en0 | grep ether  IF IT SHOWS 00:00:00:00:00:00
YOU HAVE DONE IT RIGHT DO THE SAME WITH OTHER INTERFACES LIKE en1

THERE ARE MULTIPLE REASONS WHY YOU WANT TO SPOOF YOUR MAC ADDRESS THIS IS JUST A HOW TO DO IT CASE YOU NEED TO CHANGE IT FOR SOME REASON