The 5th link I don't have the exact place it was in A Stitch and a half at Secrets of Embroidery.
36450
4710 Monica, I seem to remember a few in Designs by Cuties, hugs, Marji
22884 If you want to buy some, look at the ones at OESD aka www.embroideryonline.com search on buttonhole. Their designs are a bit pricy but very well digitized.
5430 you will have to register, search for
buttonholes...
ht
tp://www.landof1000stitches.de
4710
Thanks for all the sites ;D *2U