I just thought that I'd share how I'm using visual filters to reveal where יהוה (YHWH) is in the OT. I actually replace the text with Yahweh.
First create a new highlighting style (right click in the highlighting panel):

Then, create a Visual Filter (File Menu) and have it display your new style whenever יהוה is in the text (This will look in the reverse interlinear):

The text of your Bible will now display like this:
