Doing my furniture I found this really amazing website that has all of this really amazing furniture, have a look at where the light is falling , where the hi lights and where the shadows fall able to determine where the light is coming from.
http://www.splashnology.com/article/100-creative-furniture/448/
here are some of my favourites --

think this light is hi above the table and angled towards the camera because of the shadow.
I think with this one the photographer used two lights one to get the shadows on the ground and the other to hi light the chair.