The rocky character of the beach is visible in the picture below
The photograph below is a sunset scene at a Daman beach. The black sands can be quite picturesque.
For more pics of beaches try Beach Scenes or for pictures of sands: Sand and the Dubai desert or for beach headers: Nature headers of beach scenes
For other types of headers: Free Headers of Nature scenes - Lake and Trees or Sunrise and Sunsets. Or a sea scene which can be used for a header: Two boatmen in a canoe in the ocean.
Or just check out the label Headers under which you will find urban landscapes in addition to nature scenes which can be used as header images.