WPF tutorials

Hi,
I'm a beginner on WPF.
Can someone please post some good links, to learn WPF.

I want to learn about dragging and dropping elements to a canvas.

Ans : 

EmilioFares:

I'm also a beginner and I've been looking for good sites to learn. I've found these, hope it helps.

http://www.nibblestutorials.net/
http://www.contentpresenter.com/