The internet has three approved image formats. JPEGs (aka JPGs), GIFs, and PNGs. PNG stands for portable network graphic, and they combine the strengths of both the GIF and the JPEG. As a result, they also can be the bulkiest of the three. And becuase ten years ago there were still few applications that could work with them, they ended up being the red headed stepchild of internet images.
IE supports them, but not very well, becuase Meglosoft seems to have a thing against them. That's helped to make the best of the three supported image formats a second class format. <img src="/images/graemlins/frown.gif" alt="" /> They are "supported", the same way a WordPerfect is supported by MS Word.
The really odd thing is, I can access the images just fine through IE5 and IE6. Is there a link to click through? Which version of IE are you using? Also, how are you on your Windows updates? I know, they suck, but there was one a while ago that had to do with improving XP's PNG support (and some issues with other image formats).
And in any case, these two are JPEGs, it shouldn't be whining about PNG issues.
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-IronRaven
When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.