change avatar

This is an article.
Where to change this link and avatar?
or turn off

art1.jpg

art2.jpg

This is K2.
Where to change this link?
or turn off

k21.jpg

Hi,
each K2 user has its own account in K2, unfortunately,
it means that you have to go into K2 Users and find this user and replace/upload his avatar there.

To remove completely you can disable probably in K2 category settings if not, using one line of css:
.single-page .itemAuthor {display:none;}

I know how to change avatar in k2. I asked how to change a link or turn it off.
http://turti.pl/pracownia/item/402-o-nas

Write how to change avatar in the "article" and a link which now directs to the contact.
http://turti.pl/oferta

I gave you answer. Use CSS to hide object.
or
edit K2 file to disable link manually, probably here: gk_photo\html\com_k2\templates\default\item.php
and there find class="itemAuthor" - near , around should be <a href=...