Steganography with linux

Please show me the whole process and please give me the hidden message.

Description: There is an easy to find flag in here, but it is scrambled, we need you to reconstruct it so we can find the hidden message inside the flag.

In steghide what is the passphrase of this photo,flag and hidden message?

Link of photo:

https://drive.google.com/open?id=0B5q6pw0DWGhxSThmMTd5cHdabW8

or Photo