Back working on the Silk Ribbon Embroidery App

Back working on the Silk ribbon Embroidery app. Just finishing off the stitches. What stitches would like to see in the app?
Here is a list of some of them.
Back stitch, 

 Buttonhole stitch,

 Chain stitch,

 Colonial Knot,

  Detached chain,

 Feather Stitch,

 Fly stitch,

 French knot,

 Grab stitch,

 Loop stitch,

 ribbon stitch, etc.

So for those who do Silk Ribbon Embroidery, what stitches would you like added.

Arlene