Hmm, Peter, can you see the other images a little bit down on that page?
The missing image in your screenshot is an arrow, but a bit lower there are real images, as you can see here:
It's a HTML document, this is the source for the part in question:
Code:
<div class="procedure"><span class="expandCollapse" id="title_EFDIGHJECO_28"><h3 class="title_procedure"><a class="expandCollapse" href="mshelp://"><img id="icon_expandCollapse_EFDIGHJECO_28" src="mshelp://Help/?id=Microsoft.Windows.Resources.CollapseArrow" alt="Show content">