Here's a couple. If you want more, yell up, maybe she can be convinced.
My own fave may be the top one, it has such dramatic space and light.
They are great for wallpaper. They are not too noisy, and still have plenty of texture and interest, and a lot of space.
Nice quality too, you should see them on my 30-inch screen, pin-sharp.
Funny enough, my favorites seem to be those which are dominated by a large expanse of sand in the frame. Not sure why, maybe it's just that it shows a deliberate composition. Most people tend to pretty much fill the frame with objects. (Unless they are not at all aware of the frame, in which case it often has a big, empty, flat sky or such.)
Also, the expanse of sand creates space.
... ah yes, in that vein, this one is also kewl: