The tree: a learner is much more than what is visible from the outside. Also, you have to look for soil that matches to you as a learner, where you can grow. From Thieme Hennis ( Izard Bozarth Learning/Teaching Metaphors)
The Cycle of Experiential Learning: Michael Follo at North Carolina Outward Bound made this great diagram which highlights the differences between learning through the scientific method and learning through experiential education.
Networked Learning Explained ~ Educational Technology and Mobile Learning Well made video, though I would say the concept of "connectivism" is really just social cognitive theory reworked with different tools.