In my understanding, a lot of programs are developed in association with various local small business organizations, or with universities and schools. You could just also advertise directly, but if you mean completely unpaid, I wonder if there are any standards or best practices that anyone is aware of?
I will look at the local organizations. Thank you!
definitely go to nearby universities, but even then, you get what you pay for
Thank You!
Check out www.YouTern.com. We post internships for start-ups, change-oriented non-profits and small businesses. Good luck!