I made my very own pattern of an a-line skirt. Here she is:
I took my Jalie 2000 pattern that fits so well and I traced off the hip region. It was easy really. I'm happy with the resultant skirt. That last picture is the interfacing I added to put in the zipper. It is stretch sateen and I wanted the zipper to look nice. The full review is at PatternReview.com.