XML : How to put photos between text files string.xml (android book)

How to put photos between text files string.xml a android book this is my string.xml:

  <resources>      <string name="app_name">mybookname</string>      <string name="num_of_tuts">53</string>        <string name="hello_world">Hello world!</string>      <string name="action_settings">Settings</string>        <string-array name="Titlez">        <item>test1</item>      <item>test2</item>        </string-array>        <string-array name="Coontextz">       <item>aaaaabbbbbbcccccccccdddddddd</item>          <item>aaaaaaabbbbbbbcccccdddddddd</item>        </string-array>  </resources>