Sandra Gilbert (aka Dreamsgate) writes:
"We are looking for tutorials, â€œmaking ofâ€ articles, and projects of
interest that focus on either special techniques, tools or work flows that are
used while setting up Rigging or use of Constraints.
So gather up your tutorials, articles and projects relating to:
Custom rigs (hands, feet, etc.)
How to set up and use
Faking muscles/skin movement
Rigging and Armature tools
Constraints and Modifiers used for rigging
Non-character uses for rigs and armatures
... and more!
Also wanted, great shaders, materials and node setups for great looking
materials and effects."
Theres also a thread on blenderartists.org for discussion of the topic.