We've already touched on how to add Creatives to a Campaign, but what if you could do this for several campaigns at the same time?
The Helicopter View has been designed for this very purpose, or at least for users to perform bulk editing of ads. The action bar that appears whenever you select Campaign groups, Campaigns or Ad Sets now has an option to add Creatives:
Clicking here will open the Campaign Creation flow's Creatives page designed for Creatives addition! It will behave the same way, but the end result is that the creative you designed will be added to multiple campaigns!