Add Art chrome extension is Replacing ads with art..
replacing ads with art..
replace web ads with visual essays by artists.
update 10/12/2016: Now you can disable add-art for specific sites!
Add Art is deleted from https://chrome.google.com/webstore/. Previously it is on chrome store,its urls is https://chrome.google.com/webstore/detail/add-art/jplogjalofjlkendelkacpekloflkfeg