We all use imagecache for our thumbnail and image manipulation need. But after resizing (or other operations) the images might look a bit blurry.
What's the opposite of blurry? Yes: "sharp". So we need to put a sharpen filter on our images.
With the release of imagecache 2 came the ability to create your own addons/effects/filters to plug into imagecache. One of those plugins is imagecache_unsharp and this does exactly what we need.
So just put an unsharp mask filter after all your other manipulations and there are your better images.
Here's a preview:
