Dear __________,
Thank you for taking time out of your busy schedule to talk with me about the graphic artist opening at ________________. I appreciated both the extensive presentation you delivered about your company and its history, and having an opportunity to tour the facility. After speaking at length with several members of your staff, I feel I have a good understanding of the overall requirements of the position, and I am confident that I can make a real contribution to your company.
Thank you again for the interview. I look forward to meeting with you again, and receiving an offer to join your team.
Cordially,
(YOUR NAME HERE)