The bean stitch
Crochet Bean Stitch - Meladora's Creations Free Crochet Patterns & Tutorials
The 'v' stitch
http://www.anniescatalog.com/crochet...?content_id=21
The cluster stitch looks like the bean stitch
http://video.about.com/crochet/How-t...ter-Stitch.htm
http://crochet.about.com/od/crochets...structions.htm