I found an awesome artist on Etsy who creates super cute and sweet drawings you can order as prints. I contacted her to create a custom blog header and I'm in LOVE with it! She used pictures of my family so the image looks like us and was done really well (and really fast).
You can see more about it here: http://babydickey.com/2011/03/03/new-blog-design/
and her etsy shop here: http://www.etsy.com/shop/nidhi#