I've participated in signature campaigns before but quit when the people running them started requiring that I sign up for their websites to claim the Bitcoin. I'd rather make this as straightforward as possible -- I rent out my sig space and you send Bitcoin to an address I specify. Any takers?
what do you mean not every signature campaign require sign up to their websites to get payment as far as i know there are 2 or 3 signature campaigns which require this other dont, how many posts you can made weekly ? here is the complete list you can choss from :
https://bitcointalk.org/index.php?topic=615953.0