If you have an @Yahoo, @SBCGlobal or @BellSouth email address, you may be eligible to use Yahoo Stationery - a set of templates that allow you to include one of over 50 designs as the background for any personal email you send from an eligible account. Please note that at this time Stationery is not available for all Yahoo-based accounts.
Yahoo Stationery is a product that is separate from Paperless Post, and is therefore supported by Yahoo. If you'd like to learn more about Stationery, you can check out the Yahoo article about it here!
If you'd like to add or remove Stationery from your emails, you find some use instructions here!
If you have any additional questions about the Stationery product, please reach out to the Yahoo support team or check out their Help Center.