how to hide a picture?

the trick to hide any picture and video is:
1. create a new file .nomedia, where the file will be HIDE all media and movie file

how to make a .nomedia file the method is use Ms-Dos
1. On the windows go to run and type cmd then press ENTER
2. Type copy con .nonmedia then press ENTER
3. CTRL + Z then press ENTER
4. 1 file .nonmedia created

5. Type exit

6. Transfer the file .nonmedia to you SDcard and place on folder you wish to HIDE