I applaud the effort, but I'm afraid this isn't even close to the correct flag.
Rated 1 out of 5 stars by Des on August 1, 2012
This flag.. https://addons.mozilla.org/en-US/firefox/addon/flag-puerto-rico/ IS NOT Puerto RIco's flag. Should have ONLY 2 white and 3 red stripes...
Rated 1 out of 5 stars by TropicalGeek on August 1, 2012