I wrote a little tool today to add chrome to any image. It’s drag-and-drop and paste-friendly: http://aresluna.org/add-chrome/ pic.twitter.com/xBTYSAP1av
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Paste should work too, e.g. if you open another image in Chrome, right click, select Copy Image, and then paste.