CMF ads server has some problem

I don't know why it is happening but I think it some serious problem with their server.I have noticed sometime my browser are saying that server are busy to load the pages.yes since few days I am watching CMF Ads are not loading properly.Sometime it loads with half of the widget and sometime its only displaying white spaces.That is why my CMF Ads widget area are looking very odd.

I have tried to figure out the problem,if it is from my side but I have found that other blogger has also same problem.Do you have same problem?Please share with us.
Thanks.