Thanks for a photo.

I think it looks nice as it is. You might tweak the styling of the shelves, find a dynamite sculpture for the nook on the left. I wouldn't do anything more than paint to the shelves and the back wall. The objects should be the stars, not the display unit.

LOL our dog is a Brittany, but close!

I agree what you put in the niches should be the stars. The items in the niches should relate to each other and to the room in some way. No large picture art.

Notice in the photo below, you have a collection of vases and books mostly. Various sizes, the the creams and blues reflect back on the the room. This collection feels as if it belongs.

In your niches, for example, I am seeing the glass articles in the upper right hand corner, working with the leaves in the carpet.

Not sure what style you like or what direction you want to go in.

Transitional Living Room · More Info

You could also paint the face dark or light.

If you're looking for a change, you could paint the unit (and that adjoining wall) a lighter color, so the contrast to your tan wall is light rather than dark. Or try a different dark color other than the brown that works with your furnishings.

Some inspiration of modern theme.

good suggestions already. Along with paint, I would put a piece of framed art in place of the photo. Although it looks like a beautiful picture, it looks a bit like a 2nd TV to me. Something with a more substantial frame would have more presence.

I'd suggest a home design with bright color, it can make your home lighter and more brilliant. Actually my family room is designed from this reference. I love the color match of light mint green and light stone grey.

And if you like, you might consider a wall with some decorated patterns. See the Athenian column decoration in the picture. I think detail really matters.

As for decoration gadgets, I also placed photo frames, but instead, I bought a digital one. I don't know you but I have so many photos to be framed, so obviously a non-digital one cannot satisfy me. I bought this one because of its simple sleek design. And I also get surprised by its clear and crisp image quality. Thanks to it, I can see my photos switching under my customized schedule. BTW they also have a real wood model to choose from.

Wish this can help!