Note: These instructions are for the latest version of AIM.
1.Right click on theicon you want.
2.Choose Save As. Be sure to remember where you save it to.
3.Go to your AIM buddy list. Click on where it says People up top.
4.Choose Select Buddy Icon.
5.You should see a list of your buddy's screen names. Scroll to the top and choose My Buddy Icon.
6.Below the list, you should see your old icon and a button next to it that says Browse PC. Click on it.
7.Find the icon you want to use, and select it.