I downloaded a Blend from Blend Swap and the materials are behaving much differently than I am used to - I think it has something to do with Cycles maybe? Here is what I see:
On the left is my "normal" materials tab, and the right is from Blend Swap. What is going on here? Why are they different? Also, with the screen on the right I cannot assign a different material to different parts of the mesh:
Any ideas what I'm into here?