I'm a little bit late with this post due to the fact that there were an unbelievable amount of amazing tutorials released this year. I have finally compiled the 60 best Photoshop tutorials of 2012 below, so give one a try. I have also ordered these from newest to oldest.
29. Create Cosmic Lighting Effects Using Photoshop CS6
38. Create a Red Riding Hood Themed Photo Manipulation in Photoshop