This can be done through directly contacting organizations where you are interested in pursuing and internship and attempting to get the contact information for someone responsible for hiring interns. Should you choose to go this route, persistence and patience are key. The average response rate is 3% to 5%. This is not to say that this route is impossible. Indeed, previous McGill interns have had considerable luck approaching target organizations. Nonetheless, it is important to begin your search with realistic goals.
Please note that the Arts Internship Office does not fund third-party or fee-based organizations which find internships for you. Should you choose to go this route, you will be ineligible for funding.