I found the new tutorial interesting because it is more about photographic composition than about using Blender. That means whether you are into Blender, virtual world photography, or Machinima you’ll probably find some handy ideas for composing your images.
Part 1 of 4 is here: 28 min
The full series is here: Improving Blender Renders with Photography Techniques. They are free.
Various viewers make it easier to get to the viewer’s camera settings. In the SL Viewer most of the settings are in the SL Viewer Debug Settings. Third party viewers often have a photographer’s panel that exposes all the camera settings in an easy to access way.