Here is a picture of what I'm doing. As I experiment with more threads - I'm finding that I need to keep a good tension on the thread before it goes to the tensioner, so it will feed into it properly and not pull loops or even pop out of it. This spool is relatively new - Coats and Clarks made in Mexico. And it really isn't that nice of thread . . .
This is what my longarm has to keep the thread taut before it feeds into the tensioner.