PAYPAL Custom Header

Make a 750 x 90 banner and upload it to your website

Log into your PayPal Account and Click on the "Profile" Link.

Click on the "ADD" button

Click "Save"

Select your new style and click "Make Primary"

 

Further Reading:
 https://www.paypal.com/us/cgi-bin/webscr?cmd=p/mer/cowp_summary-outside#examples