Google is making available the tools that power Google Art Project available to galleries and museums. It’s called Google Open Gallery and it’s being used to display anything from personal collections of photos to to full-blown gallery exhibits.
You can visit the project page and request an invitation. More about the announcement can be found at Online exhibitions made easy with Google Open Gallery.
The presentation is impressive. You can zoom in on the work to see details or put two on the screen side by side for comparison. One feature I don’t see is the ability to embed a gallery in a web page.