help with gamertag?

[jimbo0023]

hey all.
id like my gamertag on the bottom of any posts like some members have.

but im strugling to do it..

not sure how to get my tag with the games ive played off live, and then put in on my profile?

any help much appreciated.

jimbo0023

 

[jimbo0023]

its ok.
ive sussed it!