Shortcode to flag is an easy plugin, that will allow you to insert flags with shortcodes. For example, US will change to an American flag that won’t break your formatting. The height of the flags is 40pixels.

1.0

• Plugin released with basic functionality

1. Upload shortcode-to-flag directory and it's contents to to the /wp-content/plugins/ directory
2. Activate the plugin through the 'Plugins' menu in WordPress