OK, Harriette..we thought you were pretty darn smart, must be that N. CA air. Since it's Monday we'll try to help more than usual.
Go to the home page for Goods and Services, click on Joe Miller Photography...I think his email is email@example.com. He should be able to tell you about this E-6 stuff, and where to get it done. We're still trying to get the Insta-matics figured out.
If that doesn't work then we don't know any more than you do.