Quote from the template:
This image is a redundant (all pixels the same or scaled down) copy of <image>, which is on Wikipedia (not Commons)
The images differ, though:
As a matter of fact, the colors of the image you linked to are completely wrong. elias.hc 20:49, 15 April 2006 (UTC)
Wrong are also the colors of this one, which is the Commons-version of the flag, only that it's been copied there while the colors were wrong. You might want to read this for a reasoning. elias.hc 20:59, 15 April 2006 (UTC)