hi! to get you started, here are previous threads on The Tudors that got responses:

Beheading in the middle ages. Fact or fiction? Watching The Tudors

How accurate is the music that we hear in "medieval" television shows and movies?

How factually accurate are historical period dramas of the ilk of The Tudors or The Borgias?

How accurate or dramatized is the dialogue thought to be in period pieces (Tudors, specifically)?