File types
.JPG, .GIF, .PNG, 3. parts tags or HTML*

Formats (all formats need to be delivered)
300×600
930×600
930×180
320×320

Weight
Max 120 KB per banner
*If HTML or tags are used, 1 MB can be polite-loaded and 3 MB can be downloaded if the user clicks on the banner

Clicktag
A click-url must be provided with the banners, which the banners must direct to.
*When using HTML or tags, the Google clicktag must be coded in the banner.