Forumlar / Cotonti / Support / Install issue

I have performed new installation with updated version. It works perfect. 

As I newbie in this system. Could you ask about handling with pictures. Is it neccessary some plugin. I am looking for a way how to uploud picture of my avatar or some pictures for new contributions but I can't find it. 

Sorry for wrong thread. 

Added 14 minutes later:

Sorry for my stupid question. I've found id. 

.. (personal file space)