Lace inset shorts. This is a DIY I've been seeing everywhere, and finding versions of in stores. If you are not a fan of thread and needle no worries, you can use fabric glue. For more info visit: http://sussle.org/t/Craft
DIY Bleached Shorts Failure and Success and Important Tips from Oh So Pretty here. Also a linked article on how to properly neutralize bleach. Washing a bleached item in water is often not enough. If I was selling bleached fabric on Etsy I would say that I used Bleach Stop as a selling point.