This tutorial from PocketWizard shows you to how to use a radio-controlled PocketWizard system (MiniTT1 & FlexTT5) to reliably trigger wireless, off-camera flashes and create amazing lighting effects:
Photojournalist and lighting expert Joe McNally takes a look at Nikon's latest professional flash, the new Nikon Speedlight SB-910 in his latest blog post.
Veteran Nikon photographer, trainer and workshop leader Mike Hagen of Out There Images is releasing 2 new books of interest to the Nikon Community. The Nikon Creative Lighting System: Using the SB-600, SB-800, SB-900, and R1C1 Flashes covers everything you want to know about using the Nikon Creative Lighting System and Nikon Capture NX 2 After the Shoot helps you learn the ins and outs of this great piece of image editing and workflow software.
Both titles can be pre-ordered from Amazon.com by clicking the above links.