Atlasgeo.net - Bhutan - Provides an animated Bhutanese flag image by Pascal Gross.
Flagspot.net: Bhutan - History and information about the Bhutanese national flag.
M-Web.com: Bhutan - Contains the national flag and a list of quick facts about the country.
World Flag Database - Bhutan - Check out the images of the flag and ensigns along with general country facts.