I love that lamb fabric mentioned. I was in a fabric shop and came across this green one - bought a couple of yards for something - haven't decided what yet. Here is the link that shows the green one (as well as some others):
https://www.etsy.com/search?q=sheep%20lewe I also have this nursery rhyme book which has a cute Mary/Lamb block:
http://www.amazon.com/Nursery-Rhyme-.../dp/1564772616 Can hardly wait to see photos of what you end up making!! Happy Quilting ;-)