default background messages

Hello, how do I set black as default background for ALL mail messages? I have tried with black stationery, and this works for New messages, but when I want to send a picture and I click to "send via e-mail" it creates a message with the ...

Outlook Express 216366 OLEXP: How to Download Internet Mail Messages in Outlook Express Multiple Times http://support.microsoft.com/default.aspx?scid=kb;EN-US;216366 245305 OLEXP: You Cannot Start Internet Mail After You Uninstall Outlook Express ...