These two are great articles about librarians and change, with good ideas for physical changes.
Johnson, Tim, The new libraries, University Affairs, December 2007, http://www.universityaffairs.ca/issues/2007/december/new_
Hume, Christopher, Librarians at the gate, Toronto Star,
At first glance this one seems frivolous, but it is full of great promotional ideas.
Block, Marylaine, Librarians: The Party People, http://marylaine.com/party.html