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Adding to what Ami states below, I've also noted that when saving images from Illustrator CS3 to PNG (8 or 24 bit), I get some of the smallest file sizes I've ever experienced. Note: I'm not sure what what happens in earlier versions of Illustrator, because I really only started using PNG files regularly during the past six months or so. And I haven't tried converting a raster image to eps format first, to see what happens. But if you've got originals in vector format, and you have access to AI CS3, you might try giving the process a shot to see if it helps.
jan cohen
----- Original Message ----
Ami Wright wrote in part
Chris Borokowski <athloi -at- yahoo -dot- com> wrote:
>I've learned to distrust the PNG. They're big and don't appear to look
>any better than JPGs, but at least they're copyright free (as if anyone
>important cares).
It probably depends on what you're working with. In my tests, the PNG files
were significantly smaller than the JPG files, and they also looked better.
Also, switching from 24-bit JPG to 8-bit PNG reduced the size of the
resulting PDF file by more than half. Reducing the size of the PDF files is
also pretty high on my list of priorities.
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