”[This tip] involves two things: 1) images that are transformed to a size, say, 75% or smaller from the original size, and 2) the Unsharp Mask filter. Now, I’m speaking in Photoshop terms on that second one, so those of you who speak Fireworks will have to translate for the rest of us.”
Using the Unsharp Mask to make smaller images look better on the web. It works, too.