The banners are located at https://www.sfimg.com/Resources/MarketingCenter.
Go there and click on ‘The Marketing Aids, choose what you want to promote and select the appropriate Banner at ‘Type.’
Select your banner. You can preview the banner you have selected by clicking ’preview’ in blue under the banner.
Copy the HTML code of the banner just above the previewed picture. Do not copy the picture itself.
Now go to your blog and login. Paste the HTML code of the banner where you want it on your blog. Make sure you follow instructions given to you by your provider.