Those dresses are adorable. I suppose she hooped the stabilizer and crochet top and than appliqued on top of it. Might have to be another summer project for me!
Do you have an embroidery machine? If not you could try purchasing applique patches. You could try ironing it and than hand sewing it.
Not sure if this link will work. http://www.etsy.com/search/handmade?...ery&ship_to=US http://www.etsy.com/listing/96717597..._type=handmade