What a fantastic picture!! I found it here at Apartment Therapy San Francisco. "Repurposed Truck Spring Kitchen Stools." A.T. originally spotted this in the July 2008 issue of House Beautiful.
Here's House Beautiful's Interview with the owners:
"There's a nice balance between fresh white paint and battered wood, so nothing feels too pristine. And I like the improvised quality. What were those stools originally?
Giant springs, literally taken off a truck. I saw them at a salvage yard and thought they would look great by the island, which is made from an old falling-down fence on the property. We recycled the beat-up wood instead of throwing it away. Most people would probably not have done such a big island in a small room, but I knew it was going to be the social hub of the house. Besides, I like large, substantial pieces. They make a small space feel more solid and important. "