I sent a photo of both Chemmy and Sean and addressed the envelope and letter to both Chemmy and Sean, I sent the request on: 2nd May 2012, and today I recieved my photo back signed, by both Chemmy and Sean.
address I used was:
Chemmy Alcott and Sean Rice,
c/o SECC,
Exhibiton Way,
Glasgow
G3 8YW