Thats an odd question from a high ranking member but i will try to answer you.

Yes sir and its being paid in btc. You are getting .02 a minimum per week. Campaigns pay per posts. I would want to use yobit as an example as to its where most members are starting from this campaign. https://bitcointalk.org/index.php?topic=1036113.0

On the third question. I dont really get it. but there is an instruction there on how you can wear signature campaign.