I will install best 125×125 ad pannel you can possibly imagine on your wordpress blog.

And here`s what you get:
1) Direct selling of your ad space without middle-man
2) You set the price that you want (you can choose to sell flat rate ads for 1 week or 1 month)
3) Selling process is automatic,even while you sleep!

Advertiser sees,your empty ad space, go to your “advertise here” selling page on your blog, he pastes his URL of the banner,and types in his link to his website or service, and pays you by PayPal
automatically!