Thank you. Which one did you use for the example characters in the video?
I also decided to go full "d6" and use 2d6 for saves. TN of 10 for "normal men", lvl 1 clerics and magic users, TN of 9 for lvl 1 Fighters and Thieves, decrease that TN by 1 at even levels. I know you don't use attributes, but I use them and add their bonus (-1 to +1) to the roll for appropriate saves.
As for critical hits, I'll use the following: Against living opponents, edged weapons deal double damage and blunt weapons stun them for 1 round.