>Has anyone a
>reasonable (shareware?) recipe for producing
>high compression PNG graphics?  I can get to
>sun and Wintel machines if necessary.

Macromedia Fireworks uses PNG as its native file
format. It is completely X-platform and the
interface is very yucky. You can determine
compression levels yourself.

A 30 day trial can be downloaded from Macromedia's
site. It is a commercial application.

jonathan

(standard disclaimer - public interest announcement,
i have no interest in this company/product)