DW CS3 problem with PNG-8 images in Design View?

DW CS3 (build 3481) on XP seems to have problems with PNG-8 images, specifically trying to display them in design view.
I had a very simple image that was able to be exported by Fireworks CS4 as PNG-8 using 4 colors (no transparency) for a tiny file size under 250 bytes.
DW could not display it at all, or even recognize it, reporting it was 0 x 0 in size. I published the page anyway, and it looked fine in the browser.
I upped the number of colors to 32, and DW could then display it in design view in the page I was working on.
I'm still having problems with other PNG-8 images. The attached file "temp.jpg" is a screenshot showing part of the design view in DW.
The smaller image on the left of the banner is "58_certificate_of_discharge.png" (attached), and the larger image below is used as the background of the DIV containing the form,"compassbk.png" (also attached).
These images all look fine in the browser, but terrible in DW.
I'm stumped as to why.
Thanks in advance.

According to a different discussion, the images that are stuck as "Queued" are showing a bug in the virus scanning on the forums.
Now trying the recommended 'camera icon' method...
Looks like it worked.
Now compare what it looks like in DW CS3 in the design view:
It's a 16 color PNG-8 made in Fireworks CS4 with no transparency, size is 113 x 58, ending up at 1.71K.
If this is a repeatable problem in CS3, is there any hope of it being resolved, or am I stuck with upgrading to CS4 as my only option (assuming it's fixed in CS4)?
Thanks.

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