This one in Portuguese - my translation left something to be desired, but the pictures are fairly self explanatory. Direct link to pictorial ~ crochet petal edging. Beautiful, but wouldn't want to have to cover a vast area with this stitch.
Get ready for warm weather with these colorful free crochet ripple afghans. Make a multicolored afghan with any color combination you want. This collection of 25 Colorful Crochet Afghan Patterns: Ripple Stitch will get you ready for spring in no time