The folks at Allen County Public Library asked their patrons to take photos on a specific day and then send them in. The created a collection called “A Day in Allen County” for their library Flickr presence.
http://flickr.com/photos/acplinfo/sets/72157600001135158/
Hey libraries – you can do this too! How about:
A Day in ____________
A Day at the Library (or branch or department)
A Day on Campus
etc.