Hi TFM
Her you have some
http://www.ie7pro.com/
http://www.softpedia.com/get/Internet/Popup-Ad-Spyware-Blockers/IE-AdBlock.shtml
http://simple-adblock.com/
Microsoft Security Essentials http://www.microsoft.com/en-gb/security_essentials/default.aspx
and you can also bay Norton internet security thats the best i think, i use it my self