I want to put some ads to my site, some recommendation pls?

I’m confused.
I have a site, with 1 000 daily unique visitors, so I want to put some ads to win some money.
I want a serious ad company, that pays by paypal. Google Adesense is very nice, but it doesnt have paypal.:( I tried Bidvertiser, but it says allways 0 click (although i have 20 000 pageviews!)
I hope u understand me. Pls help me:(, pls tell me some serious sites.

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