Step five: Make ruffles to add to the bottom of skirt. I needed to make two layers of ruffles. A 16" and a 12". Here is the 12". I used a nearly 1/8 " shirt tail hem for this layer of ruffles as they would be most visible.
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Step six: Here I am using a zigzag stitch to attach the 16" ruffles first. As you can see I used two rows of straight stitching to make the ruffles, more strength so the thread wont break so easily as the fabric does have some weight to it.
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This is what the 16" bottom layer of ruffles looks like after attaching to raw edge of skirt and removing the bottom row of stitches that gathered the ruffles.