An overview of facial topology , shapes and setup for the lead character from the “Sintel” short movie. Check it out, it’s a good resource for any package 
Additionally feel free to check out other video resources by Ponder Studios.
Blog
Squash and Stretch (Part 1)
Useful post on Squash and Stretch by Mark Kennedy.
“One of the first concepts you hear about when you’re studying animation is “squash and stretch”, which is the idea that living forms (and certain types of inanimate objects) have a certain amount of flexibility and that they change shape as they move around under their own power, react to external forces or change expression.”
WWF ~ We are all connected
Very true and very nicely done!
Anime Looks Cute Rig Reel
I find this rigging reel by Cheng Yining cute! Really liked how the texture maps are being played around to give those cartoony anime cry baby looks…
dpAutoRigSystem v2.0 by Danilo Pinheiro
Here is a nice demo on a freeware python based modular auto rigging tool by my friend Danilo Pinheiro on creating customizable rig. Support him by using, troubleshooting, feed-backing and mentioning the tool and his works!
You can download the tool from his blog!
The Art of Puppetry
In this video, the puppeteer plays a double role as a rigger and an animator to bring the puppet to life. Think of those strings controlling the puppet to be IK Handles!
Looney Tunes Smears & Multiples
Really cool 3D smears and multiples references from Looney Tune animated short “Wile E. Coyote and Road Runner” by Josh Carey!
Tools based on Osipa by Liu
Automated tools demo for facial setup based on blendshapes created by Liu derived from Jason Osipa style joystick based blendshape driven facial setup. This could be a good reference for anyone trying to recreate Osipa style setup quickly and efficiently using custom tools.
Anamaris Cruz Animation Demo Reel
Check out the latest animation done on Sinka by Anamaris Cruz. Nice customization, animation and style! Love to see Sinka coming to life
Useful Tips/Techniques on Rigging a Bird/Feather
Ever wondered what it takes for a bird to fly!? Simple, it’s the wing.
I have managed to find some nice links on creating a fairly realistic wing and feather setup similar to what you might have seen on the gorgeous birds of RIO! Well of course, you can implement similar technique keep constructing and manipulating. The idea is to understand the technique, stuffs like what is going under neath the hood.
I will keep updating this post with more resources so stay tuned!
~ Stumbled upon these two wonderful sites/blogs by Nakyoung Kim and yukfoo.net, sharing the ideas, tips, techniques and tools to create a bird rig, mainly focussing on the wing and feather system.
~ Paule from Pen Production have some more insight on similar looking setup using spline based controllers.
~ Nice tool created by Ismail to setup a bird (wing/feather) rig!
~ This is a really good resource to see how the bird’s wing is articulated
More Useful Links:
http://www.jackals-forge.com/tutor/tut1.html
http://www.youtube.com/watch?v=3jUKOMGKfOM&feature=related
http://www.3dtotal.com/ffa/tutorials/maya/bird_tutorial/bird.asp
http://www.hartworks.net/blender/jared/