This easy stitch is perfect for an afghan or blanket. It is just sets of 3 stitches, one single crochet and two doubles. Once you get into the hang of it, you can do it in your sleep!
raised stitch with crossed trebles
How to do Bavarian crochet
A very good tutorial for a very pretty blanket.
Crochet for Dummies cheat sheet
A square a day link plus a "flats braid" method of joining blocks