Thumbs Wrapped around Ads???

[selena]

At the risk of sounding stupid, can someone clarify what that means? I saw Cleo mention it in another thread, then I went to a couple of rules pages for other LL's and saw the same thing.

Do I do it in this gallery with the center ad I made?

http://www.dommedesires.com/gal103/gal103nr.htm

I wanted to check, because I had planned to adapt that gallery into a gallery for my next free site.

And if it isn't too much trouble, can someone explain why that seems to be so universally frowned upon? I can understand most of the general no-no's, but this one threw me for a loop.

Thanks much!
|goodnight