https://bitcointalksearch.org/topic/lets-think-about-the-future-signature-campaign-all-ranks-welcome-1560376
You just need to apply and wait for the manager to accept you, you may be denied depends on the quality of your post.
you can check what's campaign is currently active here :
https://bitcointalksearch.org/topic/overview-of-bitcointalk-signature-ad-campaigns-last-update-01-jan-23-615953
Up to 600 pesos per week, depends on how many post you have made before the payment roll.
They don't have any, you can get the information you needed by reading or asking questions at Meta and Beginners & Help