> If I open this file in PhotoShop or ImageReady, it's fine. But the Windows
> XP thumbnail preview is buggered.

	MegaPOV 1.1 uses the libpng library version 1.2.6 to output to PNG
format.  Unfortunately it has been found afterwards that this version of
libpng is a bit buggy.  The problem is described in the orange section
"Broken-Image Warning" on http://www.libpng.org/pub/png/libpng.html .
As you can see it affects in particular Microsoft Word and MS Internet
Explorer.  So your problem is known and as a simple solution at the
moment, as suggested in the link above (i.e. you can recompress the
PNG file using the pngcrush utility).

	- NC

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