Below are standard banner and logo sizes. We recommend uploading 5-10 text links and banners, so publishers have options to choose from.
Banners:
300×250
250×250
728×90
160×600
120×600
468×60
120×240
125×125
Logos:
88×31
150×40
100×30
120×60
For more details on how to upload banners to your account, click here.