You will need to create a new field in the data file with the file name of
the image file you want to use.

In future, please ask questions about usage of Microsoft Publisher for
general purposes in the main microsoft.public.publisher newsgroup
This newsgroup is for questions related to programming with Microsoft
Publisher through the object model.

Of course, if you don't want to manually edit your database, it may be
possible to use code to edit your database and automate the process.  If
this is what you want, you will need either to read up on programming or
hire yourself a programmer