If you’re building your own threat-condition monitor, the folks in charge of making sure you don’t feel secure in your homeland have provided a couple of handy hooks: http://www.dhs.gov/dhspublic/getAdvisoryCondition returns an XML element with an attribute describing the current level, and http://www.dhs.gov/dhspublic/getAdvisoryImage provides an image for putting on your page, thus: <img src=”http://www.dhs.gov/dhspublic/getAdvisoryImage”/> yields
The image defaults to large, but you can ask for it to be smaller, thus http://www.dhs.gov/dhspublic/getAdvisoryImage?size=small: