Main Blog: Placing Ads on the blog

I will start adding Ads to the blog. I am currently banned from using Google Adsense. I wonder if it will be a problem if I start using Yahoo Ads. I already use them on my virtual tour website. I also need to figure our where the Ads should be placed. I have a number of issues with Yahoo Ads provided through the Yahoo Publisher Network. However, their payout is much higher than Adsene. I have looked into a number of different Ads providers like Chikita. The Ads look messy and I am not a big fan