Create a Google Alert about the employer to keep informed.
Make a good first impression, be polite with everyone you meet. Stand up, smile, make good eye contact.
Don't go off on tangents. Keep your focus on your better qualities.
Learn about the employer, interviewer, and job opportunity.
Don't brag too much. Being humble is powerful.
Eat a healthy breakfast before - don't eat stinky ingredients!
Don't be scared to say you don't know the response to questions. Don't lie.
Job Hunting Tips:
"Before you apply, make sure you unearth information about your prospective employer. Understand exactly what they do, their sector, their competition and principles. Stay on top of any issues or news in the sector."