Pop Over plug-in problem

Hi,

Having a problem getting my pop over ad to display.

I've used the plugin without problems on a single Wordpress site - so I know it works. However, on my multi-site I find there is an issue.

The plug-in seems to work until I add the "rule" based how many times the ad should display.
This rule seems to break the plugin.

And then, when I log back in, I see that the "rule" "Ad displays less than ___ times"
has vanished.

It seems to work fine with the rule "show for non-logged in user," but then keeps displaying over and over!

Here is my site:
http://netppl.biz

Thanks!