Just tweet with @#place. For example , Just arrived @#bangkok , I'm in @#office.
Note : Now can only use with Public Tweet so if you protected your tweet you cannot play this application.
@nodtem66 developed easy widget for you that use with jQuery and my api to embed your location.
http://code.google.com/p/femsbox/wiki/WRU
Want Embed Code ? Just Enter your username and in that page will generate your embed code.