I thought I'd share a few Christmas ornaments and decorations that I found which use buttons. I didn't share photos here since they're other people's property. Most of the links either have instructions or patterns or have a link to them.
Enjoy the cuteness!
Another mitten ornament.
Christmas tree ornaments in denim.
Gingerbread man and gal.
Another button tree with lots of buttons!
And another button tree!