Obviously talk about something you're interested in or passionate about and that you could confidently answer any potential questions on. One of your hobbies, a holiday away, a place you like to vist etc.
If you can involve the interviewers then it might be a good idea. Give them something to pass round or have one of them volunteer for something. Rather than just have them sit there for 10 minutes while you talk at them.
Recruiter said the samething!