How to sew on a button - let me count the ways! Checkout this awesome image, showing a multitude of different ideas for sewing on buttons. Definitely a way to add a new design element and couture touch to your creations.
This is free-motion quilting! Looks hard to do well, but as I keep looking at it, I see all kinds of little irregularities that make me think it would be possible to do without being a perfect machine quilter.