Step 1- Access your profile via the User Control Panel.
Step 2- Click on the 'edit avatar' tab.
Step 3- Paste the link inside of the 'Link off-site' text box.
Step 4- Click the submit button and you are finished.
Here's what i got so far:
{RS}SgtBagel:


{RS}Varun:



{RS}alexmason:

{RS}Snipedude:

{RS}LimitedWIki:

{RS}Quikc:



{RS}jjj:

{RS}Serious2

{RS}Potatoman


{RS}DeKu


{RS}Gunner

{RS}Vad3r


{RS}FixTheMix

{RS}RD_AWSM[MI]

{RS}Thunderdome

{RS}DeathSlayer
