In both, there's a situation where the side with the bishop has all its pawns on the same color square as the bishop, and gets dominated on the opposite color complex. The knight has all the fun there, but turning it into a win often takes some doing. The value of this week's presentation is that it will help us figure out how to win such positions, and there's the further benefit that once one grasps some of the main ideas, they will work in a great many cases. So invest a little time (but no money) now, and enjoy the dividends later!
The show is here, free (but registration is required), and available on demand for about the next month or so.