I see that there's a property to allow user's to control the visibility of certain fields of their membership/profile. I tick this checkbox - but I don't see any ability to control the visibility of the fields. Could someone please explain this to me?

Ideally we would want a bunch of profile fields - and allow users to set which ones are visible to other people.

Is it also possible in the new Community features - to have one profile shown to other users, and a different profile (more fields shown) to your friends?

And is it possible to include a person's image/avatar in the friend's list - as out of the box has a table of text without this information. Is it a matter of updating the transformation to also reference a particular value??

I have been reading the developer's guide and also the webparts guide - but I'm not having my luck in playing with Kentico to achieve what I'm after.