This short video has what I call fantastic moves animated.

It is VERY WELL DONE when the character is running and the ground is braking under his feet, but he managed to run over all the rocks and ....
and whhooo !

(I just have saw your comment on The Natural Academy of Andrew, and came to realized that you are a Guru using blender. Have you got any tutorial or DVD or something to show us your work?...
I will have a deep look to your site.
Thank you !)