I have the bias maker - I cut my strips at a scant 3/4" (my maker is mertic so acomes up a good 1/4") on the bias of the fabric, trim one end to a point and poke it through the slot in the bias tape maker, pull through a good inch and put a metal pin through the end into the ironing board. Then gently pulling on the bias tape maker with my left hand, I press the bias that's emerging with the iron held in my right hand. Is this clearer than mud? I don't know the dvd you're referring to, I'm afraid. :-D
Found this on youtube, hope it helps!
http://www.youtube.com/watch?v=RW9Rww6gEpU