Locate a Britsh Embassy, High Commission, or Consul anywhere in the world. Customisable.
Requirement: 2.8 up (tested on 3.3.2 and PHP 5 against numerous themes)
The easyest way is direct from your WP Dashboard like any other widget:
1.Plugins -> Add New -> do a search for travel to find it -> click "install now"
2.Activate the plugin.
3.From the Dashboard 'Appearance' -> 'Widgets' menu. Drag the widget to the "widget area" you want it to appear in.
Download the plugin direct from the Plugin Page at WordPress.org
Upload the WHOLE ZIP file (contains 'wp-ukembassy.php', 3 screenshot jpegs, and readme.txt) to your WordPress plugins directory ( normally /wp-content/plugins/ ).
Activate and configure as in 2 to 4 above.