Hide Your File in Image

First add your files to .rar and i.e. say files.rar
    Say you have a image as img.jpg
    Now, save files.rar and img.jpg in c:\ drive.
    Click start >> Run
    Type cmd
     Now in command prompt type cd..
    Again type cd..
     Type copy /b img.jpg + files.rar new.jpg
hide your secreat things!!!!