Just a graphics i drew for this page and to use as a demo for the Openstego program
first install it from Git site using the terminal to execute these commands

 git clone

Cloning into 'openstego'...
remote: Counting objects: 2628, done.
remote: Total 2628 (delta 0), reused 0 (delta 0), pack-reused 2628
Receiving objects: 100% (2628/2628), 3.05 MiB | 499.00 KiB/s, done.
Resolving deltas: 100% (1822/1822), done.
Checking connectivity... done.
cd openstego
chmod 777
done !!

Once you have it up and running can you see the text in this picture below? ( its a old pgp key text )
( note some page service providers crunch the image so embedded information may be destroyed )

Anti surveillance and Digital signing Certificates
Main page in Rot13