New Screen Name Trick
If you have ever changed your screen name you know that it is a hassle to type each persons name into your buddy list, but all you need to do is, sign onto your old screen name and go to My AIM > Save Buddy List. Then sign onto your new screen name and instead of save buddy list go to load buddy list.

Send IM while waiting for picture to send
While you are sending a picture and you want to tell your friend something, Just go to Send Instant Message and send an IM to your friends screen name followed with a "!"

Talk while offline
Direct Connect with the buddy you want to chat with, then sign off but make sure that you do not close the AIM Program

Send Hidden Messages

Replace "Message" with the text you want to hide. Then copy and paste all of it into your convo, Tell your friend to hit F2 and they will be able to see it

Sign on when your Warning Level is too high
Go to http://www.aim.com and select Aim Express, Enter your screen name and password and your online

Get a Sub profile
Go to http://www.subprofilez.com or http://www.buddyprofile.com and sign up

Sign on when your Warning Level is too high
Go to http://www.aim.com and select Aim Express, Enter your screen name and password and your online

Remove AIM ads
Go to the folder where you installed AIM, Delete "advert.ocm" and then rename "admin.ocm" to "advert.ocm"