Barbies, sounds like he might be the same chap that did my initial stuff up to the LST. Couldn't have asked for a nicer or better instructor. Learnt a lot from him and I wish I could remember his name.
Broomstick, we used a fixed speed schedule. Worked quite well and made the green dot largely irrelevant except as a cross check. That is until you lose the bugged speeds and then green dot plus 10 becomes a safe and sensible retraction schedule.
Can't remember exactly the requirements but the green dot became your initial drift down target speed, not min speed, at higher altitudes, just don't forget to add 10 in icing (I think that was the case) and that was the only time you used an icing additive on the 195. Or is my memory going?!