Block Skype Ads Quick and Easy

ontrol Panel -> Internet Options -> Security -> Restricted Sites -> Sites -> add g.msn.com and apps.skype.com

Also, to remove the ad placeholder, go to your 

C:\users\youruser\AppData\Roaming\Skype\yourskypeuser\config.xml

and find the line <AdvertPlaceholder>1</AdvertPlaceholder>

and remove the line completely