Free background pages
I found this site for free background pages. I have downloaded about 10 different sets now and they all are free.
They also have graphics and stuff that you can download.
They have printed out fine for me. Sometimes I use the backs of pages that I didn't particularily like that come in a package with pages I did like so that I didn't have to buy large white paper.
Here is a link that might be useful: Free scrapbook graphics