I copied a pad I had bought off etsy for my shape and used this gals tutorial to put them together: https://www.youtube.com/watch?v=OEARLPuWjOo
These ones, in the picture, are flannel and pul... I have a fabric called wic-away (I think that's what it's called. I got it in the diaper section at my local Joann's) that I was going to use for homemade breast pads but since I don't need those anymore :-( I'm going to make a few with that as well and see which I like better!
I've researched a bit about Zorb (an absorbent fabric).... The website (wazoodle.com) says that it's equivalent to 4 layers of flannel. I'm planning on getting some of that as well to play with but for now I'm using 4 layers of flannel in my core.