This plugin displays your geo tagged Twitter tweets on Google maps and also shows your Twitter, Twitpic, Twitgoo, and yfrog photos.
The Tweet Map plugin provides shortcode to display your geo tagged Twitter tweets on a customizable Google map. Your pictures uploaded to twitter, twitpic, twitgoo, and yfrog will be display in the map's info window. The plugin runs on a hourly wordpress cron to keep your tweets up to date. Just use [tweet-map /] on any post or page to see a map of your tweets.