This is a really hard problem since it isn't happening to everyone, just a few users on AOL. AOL might say it is our fault, but really, if your ISP dumps you offline because of the content on a website you have bigger issues. I'd talk with AOL about this.
As far as fixing this problem though, we need to narrow it down a bit more. Can you please try this demo of the 3rd party html editor we use, and tell me if it is usable for you?
http://www.fckeditor.net/demo/default.html
This should help us narrow down the cause of your troubles.
Thanks.