$$$ From Blogging Jobs

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I came across a good blog with a list of sites that pays bloggers to blog including blogitive, smorty, payu2blog and so on. I wanted to join few of these sites. I have 3 blogs but my very first blog is my favorite one where I post more often and has google ads on it. Now my question is, if I join any of these sites that pays bloggers to blog, would it interfere on google? Or it is ok. Are there any of you here that is working for any of these sites which also on google adsense?