Today at SMX East, Google’s Pierre Far told the audience Google launched a small update to authorship by adding authorship rich snippets to Google Image Search.
To see it, go to Google Images and search for named of people who may have authorship. Click on the image and if the image has markup on the article, it may show a byline, linking to the authorship link.
Here is an example:
Pierre Far from Google said this launched quietly a couple weeks ago.