Use: Open a *.tex file, and create a *.ps file (e.g. by using dvips). Then run the psutils-menu.edt macro. (If you used the installation macro, look in the Accessories menu; otherwise create your own ...
That package provides macros that allow you to embed either a single figure or all figures from your MetaPost file into a PDF proof sheet. The advantages of MetaPreview are: easy to install ...