I've got an ASP page and try to show the FF logo image on it and it won't display. It won't even show if I copy it local; only seems to be this particular PNG file:
<p><img src="http://sfx-images.mozilla.org/firefox/3.6/468x60_orange.png" alt="Spread Firefox Affiliate Button" /></p>
Page URL: https://english.ttu.edu/fyc/testpng.asp
It was ... It was ADBLOCk!