Many of you do not want to even consider the Authorship tag and I can understand that but I believe it will become very important. In fact it is doing me the world of good right now, I have been with it since the offset and it has brought me considerable traffic. I have not seen any spam sites that have been authorised so I think it is not an easy thing to have implemented and believe that sites are vetted manually.
Part of the TOS specifies that no provocative images may be used and that a head and shoulders view should be used, so ideas of sexy images go out the window.
At the end of the day you have to play Google’s game to benefit.
It will be interesting to see people’s opinions in a years’ time.