in your Admin CP, highlight members and click custom profile feilds:
then add three fields, one for xbox live, one for psn, and one for xfire and make sure the field input is text input and finally in the topic view box on the bottom of creating the custom field, add this:
For Xbox Live:
<head><style type="text/css">.thumbnail{position: relative;z-index: 0;}.thumbnail:hover{background-color: transparent;z-index: 50;}.thumbnail span{ /*CSS for enlarged image*/position: absolute;background-color: transparent;padding: 5px;left: -1000px;visibility: hidden;color: black;text-decoration: none;}.thumbnail span img{ /*CSS for enlarged image*/border-width: 0;padding: 2px;}.thumbnail:hover span{ /*CSS for enlarged image on hover*/visibility: visible;top: 0;left: 60px; /*position where enlarged image should offset horizontally */}a:active{outline: none;}a:focus{-moz-outline-style: none;}</style></head><br/><br/><font color="FFFFFF">XBL: (hover over tag)</font><br/><a class="thumbnail" href="http://www.xboxlc.com/profile/{content}" target="blank" border="0"><img src="http://www.xboxlc.com/cards/red/{content}.jpg" width="162" height="110" border="0" /><span><img style="opacity:0.8;filter:alpha(opacity=7)" src="http://www.xboxgamertag.com/gamercard/{content}/fullnxe/card.png" /></span></a>For PSN:
<head><style type="text/css">.thumbnail{position: relative;z-index: 0;}.thumbnail:hover{background-color: transparent;z-index: 50;}.thumbnail span{ /*CSS for enlarged image*/position: absolute;background-color: transparent;padding: 5px;left: -1000px;visibility: hidden;color: black;text-decoration: none;}.thumbnail span img{ /*CSS for enlarged image*/border-width: 0;padding: 2px;}.thumbnail:hover span{ /*CSS for enlarged image on hover*/visibility: visible;top: 0;left: 60px; /*position where enlarged image should offset horizontally */}a:active{outline: none;}a:focus{-moz-outline-style: none;}</style></head><br/><br/><font color="FFFFFF">PSN: (hover over tag)</font><br/><a class="thumbnail" href="http://us.playstation.com/publictrophy/index.htm?onlinename={content}" target="_blank"><img src="http://fp.profiles.us.playstation.com/playstation/psn/pid/{content}.png" width="165" height="112" border="0" /><span><img style="opacity:0.8;filter:alpha(opacity=70)" src="http://card.psnprofiles.com/1/{content}.png"/></span></a>
For Xfire:
<head><style type="text/css">.thumbnail{position: relative;z-index: 0;}.thumbnail:hover{background-color: transparent;z-index: 50;}.thumbnail span{ /*CSS for enlarged image*/position: absolute;background-color: transparent;padding: 5px;left: -1000px;visibility: hidden;color: black;text-decoration: none;}.thumbnail span img{ /*CSS for enlarged image*/border-width: 0;padding: 2px;}.thumbnail:hover span{ /*CSS for enlarged image on hover*/visibility: visible;top: 0;left: 60px; /*position where enlarged image should offset horizontally */}a:active{outline: none;}a:focus{-moz-outline-style: none;}</style></head><br/><br/><font color="FFFFFF">Xfire: (hover over tag)</font><br/><a class="thumbnail" href="http://profile.xfire.com/{content}" target="blank" border="0"><img src="http://miniprofile.xfire.com/bg/sf/type/3/{content}.png" width="149px" height="29px" border="0" /><span><img style="opacity:0.7;filter:alpha(opacity=70)" src="http://miniprofile.xfire.com/bg/sf/type/0/{content}.png" /></span></a>Now edit your profile and add your gameter tags to the correct lines, If done right, it will look like this:
When you hover over a tag, this will happen:
Enjoy!