What are the limits and requirements for customizable Flash creatives, templates, and ads?
The customizable Flash creative (CSWF file) must include either the swappable image or text variable. Refer to Creating a Customizable SWF File with Flash Variables for more information. The swappable images for the SWF file must be stored in the creative library. When you create the customizable Flash ad, the total weight of the SWF file plus any image files must be no more than the per-ad limit of 100 KB. You can specify up to 5 click-through URLs and corresponding click-tracking URLs for customizable Flash ads. The customizable SWF name cannot exceed 100 characters.