Well I would suggest this site if you guys just want to have any kind of traffic you could get. basically you'll get credits that you'll use for your site. And while you're surfing, you're still getting traffic for your blog at the same time.

You can also sell credits but I haven't tried.

www.wjob.eu


(Tho I would appreciate if you guys will use my ref link)
just in case, there's a banner on my personal blog. :wink: