Correctly name your photos: A file named Notepad00000012.jpg doesn't describe the images correctly. Try using names like toshiba-notepad-serial-00000012.
Make the connection
The text on your page should be related to your picture: For example, if you write a text about computers, it is preferable to see a pictures about the subject. Google still establishes the relationships between your photos and text that is on the same page.
In the ( 'head' section of the code) instead of putting "<meta name="robots" content="index, follow"> " put " <meta name="robots" content="index, follow, all"> " and also you can also create links by putting your pictures on some specialized sites that can also refer to the original.
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