Make an A4 poster with editable text

I want a revised version of an existing A4 poster. The new poster must have editable text (either in Word or in an easily accessible format). The poster must be produced with a 'grass' background and tennis balls image. The existing poster in this style will be sent to you. All text will also be provided. Editable text only needs to be name of area. A quick job. I will work closely with the contractor to ensure brief is clear. Job must be completed by end of Tues.