go to gravatar, upload an image no larger than 512 x 480, zoom it in and out to get the croppage you want, make sure it can be seen at 30x30 resolution. save it, go back to AOE3H, enable Public Email for about 2 minutes. Type in a location in your profile. (Note: Punjab, India is already taken.)
Ctrl-F5 to refresh page and see your new avvy once in a while. It took about 5 hours for mine to appear. When it does, go back and change your email settings to Private again. (Unless you like spam, that is.)
To change your avatar later, repeat the above steps except for location.
edit: Going into My Account>
My profile links you to the gravatar site.
Crunkatog on ESO
Bart331 balance suggestion: aztec: remove civ
Voltiguer: Ender, Sioux in 1.04 will be a top civ, no matter how many layers of Sioux goggles you put on
schildpad on Elephants: ...their mansabdar unit sucks so hard it looks like a black hole
Crunkatog on Steam.[This message has been edited by As_Saffah (edited 04-15-2008 @ 08:52 PM).]