Ads required for a phpbb based Tech Forum www.tizentutorials.com

Hi, Our website address is www.tizentutorials.com. We want to display Adds on our website. We have following requirements: 1. We will prefer adds as Pay per Week. 2. Adds should be ethical. Adds content should not contain any immoral and under-values material. Also, Adds should not contain any glamorous pictures. 3. Adds placement company should be authentic and famous. 4. Bidder should have to elaborate and document the whole process after add placement with us. 5. We will pay total 30-35 dollars, 15 as a assignment and remaining as a bonus if we get amount back from adds websites after two months. 6. Any suggestions from developer is warmly welcomed.