To set an image as your buddy icon do the following:
1. Pick which image you would like to use.
2. Right click on the image.
3. Select "save as" - save it to your computer in a place where you can find it.
4. On AIM, click on "My AIM"
5. Click on "Edit Options" ---> "Edit Preferences"
6. Look for "Buddy Icons" in the list on the left side of the screen. Click on it.
7. Select "browse PC" and find the buddy icon that you saved!
8. Click "okay" and you are in business!

Thanks to the Sisters of Delta Gamma - Eta Kappa for some of the buddy icon images!