Plugin Title: Free2IM
"Free2IM (aka AIM Translator) is an AOL AIM plugin that help you chat with the buddies who speak languages you are very weak or even you do not know at all. It's useful for you to practice your foreign languages as well. This first version it supports 13 languages."
How to get it?
1. Download this plugin here.
2. Unzip and execute the installer
3. Restart AIM
Full information & instructions here.
(Prerequisite) Microsoft .NET Framework 2.0 is installed.
How to use it?
After installing Free2IM, we'll see the option "Free2IM Settings" in the actions menus. A page will be appeared after you click the option and will help to adjust the settings. We can enable/disable the translator in both directions incoming and outgoing, as long as we can select the language pair which will be translated.
There is an option to skip translating if the other side is also using Free2IM.