Hello and welcome :D :D :D Here are a few sites I found using google to search for chicken scratch free patterns. Thank you for posting this question!!!! I have been asking everyone I know about this form of embroidery as my mother and I did this when I was a young child and I wanted to do it again :D :D :D
http://crossstitch.about.com/od/chic...atch-Patterns/
http://www.scribd.com/doc/9195669/Ch...tch-Embroidery
http://www.pintangle.com/journal/200...9-january.html
http://search.about.com/fullsearch.h...h%20embroidery