Alfine ho trovato.
codice:uses comobj; procedure TForm1.Button1Click(Sender: TObject); var wdgotolast,wdgotopage,wdgotoabsolute : olevariant; begin Word := CreateOLEObject('Word.Application'); Word.Visible := true; Word.Documents.Open(GetCurrentDir+'\word.doc'); word.Selection.EndKey(unit :=wdStory) ; word.selection.inlineshapes.addpicture('c:\firma.jpg'); ..... word.free; end;