In Word, click on View | Header and Footer. Insert the .jpg.
Right-click on the .jpg and format it as "behind text". Close
the header. Save the file as a template (.dot) file.

Jane wrote:

I have a really nice stationary that I would like to use in Word. I have
saved it as JPEG and a form but I can't use it without inserting a Text Box
and that really makes it difficult to use. Any suggestions?