You could also go download
this
It is just a modified AIMRes file called BannerBGone that installs automaticly. This works with all versions of AIM too. If you don't want any programs, then you should use this, no spyware, adware, virises....etc. I mean ITS FREE!!!!!!!!!!!!LOL
P.S-Sorry about the ITS FREE!!!!!!!!!!!!!!!!! and Naming all the kinds of harmful software