My wife thought that the morning sun was rather bright in our bedroom because we have a roof vent. So we purchased this from Amazon:
This was the easiest mod I have ever done. Here is what it looks like before inserting the cover:
and now that the cover is in:
Then she thought that we should make the bathroom door window darker because you can see people in the bathroom. So I tinted the window with Limo 5% tint.
After tinting the window: