lace insert in top photo tutorial BASICALLY in a nutshell here…buy a tee…buy some lace…pin the lace to back of tee. Sew lace on the tee. Cut out fabric that is under the lace, but leave about and inch to sew back to the sides for stability.
How to quickly get a t-shirt to fit better. It is perfect for those work t-shirts that you get stuck wearing but are sized for someone twice your size. Fashion and Sewing Tips: RECYCLING OF SHIRTS AND T-SHIRTS - 2
Very detailed tutorial on turning a tshirt into a skirt complete with pockets! I just made one with a navy stretch lace shirt (with navy lining). Super ultra easy =) The pockets are my favorite part. Melly Sews: Easy T-shirt Skirt Tutorial