From looking at the ads that appear on Scribd, this isn't the case. I haven't seen a flash ad that uses an iframe coming from Google. Here is an example of a t

From looking at the ads that appear on Scribd, this isn't the case. I haven't seen a flash ad that uses an iframe coming from Google. Here is an example of a typical flash ad that I've seen from AdSense: https://github.com/scribd/flash_heed/blob/master/test.html https://github.com/scribd/flash_heed/blob/master/test.html But yes, if the flash is in an iframe from a domain you don't control, there's no way AFAIK to fix the z-index issue.