We might be a little late on this one, but it is worth setting up your rel author tags on Google plus. Google is very much looking at this type of information for rankings now, so it makes sense to get it done.
There are several places to learn how to do this. Here is a link to a few.
The only part we found a little tricking was setting up your “contributor for:” in Google+.
Once you are done, make sure to test it here: http://www.google.com/webmasters/tools/richsnippets