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I want to display several full-screen images which I have in png format.
In png, each is about 200k; converted to jpg they are even a little larger.
Neither of these fit the forum size limitations.

This is the default size which the Knoppix ScreenShot application provides.

These sizes are not a problem for ordinary e-mail, I am surprised that they
are a problem for the forum.

I'm not sure what the forum was doing with the pngs but i don't think the forum jpgs
would be the same image as my pngs.