Librarians should decorate their office doors (or cubicle walls) with cartoons strips. Be sure to label each cartoon with a proper APA citation, copyright notice, and a bibliography for further reading.
Librarians often have guilty pleasures that belie their professional personas. Your unhealthy fascination with celebrity gossip magazines, World of Warcraft, hip hop music, romance novels, or prostitutes won't qualify as a guilty pleasure if you're shamelessly blogging about it at the reference desk.
Ask the readers: What is your biggest guilty pleasure?