I Need Your Help!

I recently organized my office at work and need some help from you to finish it! Yes, I do have offices on my mind lately as you probably noticed from my dream home office post yesterday.  I am happy with how everything is organized and how clean and fresh it looks. There is one problem. Everyone keeps asking me if I'm moving out!! I guess I had a lot of clutter before. The entire office is complete except for the space above my desk (see below) and a blank wall off to the right.  I have an office the size of a closet and no natural light so I need something simple and possibly bright or light colored.

I need some ideas for the top of my desk. The wall is a lovely painted brick (blech). What would add to the space without making it look cluttered? And yes, that is the actual width of my closet office.

Here is what I have in mind for the wall off to the right. I would like to purchase the wood plaques from Hobby Lobby or Michaels, paint them, and then attach some sort of clip at the top to hold pictures. The clip will make it easy to switch out pictures - either of the kids or of drawings/artwork.

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I can't wait to see your suggestions! If you could include links in your comments that would be great :) I hope to share the final product with you in the next two weeks. (Have to wait for the wood items to go on sale at Hobby Lobby).