If you are like me and are annoyed at the banner ads and more recently the constantly playing video ads on your Skype screen, then have a look at this CNET article that describes how to disable those pesky ads.
Disable banner ads in Skype for Windows - CNET
I have Skype ver7, and the solution described for ver 6 worked for me (so far).
Disable banner ads in Skype for Windows - CNET
I have Skype ver7, and the solution described for ver 6 worked for me (so far).