Here are the promised pix showing how well LightBox does.  I’m not leaving Picasa – LightBox works on a single picture at a time, and doesn’t have the viewing/sorting/finding mechanisms that Picasa has.  But technical capabilities – wow.

Here’s the original picture, of The Bean (formally Cloud Gate, at Chicago’s Millennium Park), then with Picasa’s Fill Light, and then LightBox’s Smart Fill Light.

If we want to look at the dark part of the photo, down underneath the sculpture (for whatever obscure reason), Picasa blows out the highlights. But LightBox brings up the dark areas without hurting the light areas.

I expect to see Picasa getting this soon. Google likes staying ahead of the competition.