Miscellaneous

hi, i have problem in editing image for pdf file in acobat 7, using the touchup tool .the image is edit to the destination i want (photoshop) in photoshop the image colore retouche is done ,resolution fixed if needed,color management, with taking into consideration keeping same size.once saved in photoshop, it should return to pdf file to the same place.but the fact is that it is returned to the bottom of the pdf page not in its place in the layout.
the question how to solve this problem.