Here are a few reference links and free pattern sites.
Special Olympics Scarf Project
I decided to put this site up because I keep linking to it in my posts. There is information here about the Special Olympics USA Scarf Project.
Crochet Pattern Central
This site is full of free crochet patterns that vary in what you want to make from winter wear to hairpin lace.
A online crochet community for help or just talking about crochet.
This link will take you to her Tunisian Crochet Tutorials.
Knitting Pattern Central
This site is much like the Crochet Pattern Central, but just has tons of knitting patterns.
LionBrand.com has quite a few free knitting and crochet patterns as well as reviews of those patterns. You will need to sign up before you can see the free patterns, but there is no charge to sign up!
This site by Rhonda White has lots of patterns for dishcloths. She has states, animals, letters, and numbers!
If video tutorials are more your thing, go check out Knitting Help.