Unfortunately, there's nothing I can do about that. It gets your location from your IP address, which isn't always that accurate.

I'm not quite sure why it doesn't work. Maybe it's a bug in Adium?

I'm not quite sure what you're asking. To use this, just type %_mylocation into a status message, conversation, or profile.

I'm not really sure what you're asking. You can use this like any other adium script. put it in your status, profile, or a message.

%_itunesinfo{current, - }