I've finished up the bulletin boards; their recipients are pleased. I like 'em, too. I should have lined the light pink one, but it'll be covered with photos and notes and cards soon, so I don't think I'll change it. That and the lazy thing.
I made the blue and yellow one a few years ago, and I sewed the buttons and ribbon to the fabric before I attached the fabric to the board. Again, that was a few years ago, pre-children, when I had time. And wasn't so lazy.
To make the newer boards, I stapled the fabric to the back of the corkboard, then stapled the ribbons to the back edge of the corkboard, also. I glued the buttons to the ribbon, and later glued the ribbon intersections (under each button) to the fabric to make some places to set cards/photos/etc.
I expect the stapled/glued corkboards won't hold up as well as the sewn one--that'll be evident the first time someone tries to use the board as a ladder to reach, you know, the ceiling, of course.
That's it. An extreme lack of sleep is preventing me from thinking clearly; you know that feeling of seeing everything through a haze? I'm beyond that to the loss of emotion state: I am now an automaton. Time for sleep!