Is the style of home & room Craftsman? Are you wanting privacy or just something to dress the windows? A larger pic showing some of your style will help.

Thanks so much for the feedback! This is super helpful. Does anyone know if there's a place where you can buy Roman shades without going through a custom window covering company? Or do they need to be custom made because of window size?

Definitely some sort of shade on the windows. But not inside mount. The windows are set fairly low on the wall, so to lengthen the wall, I'd mount the shades much higher up, and maybe use one shade for every two windows. And paint the white trim the same color as the walls--right now the contrast is not a good look. Here are some examples of what you could do:

You can get 83 in wide blinds, if you want: https://www.blinds.com/p/blindscom-basic-cordless-2-faux-wood-blind/545466