you could do that, its what I normally do, but then you'd have to remove the eyes from the poser figure entirely and then import the newly mapped eyes and stick them in his head. The old eyes wont use the new template. I usually just dump the poser eyes entirely and toss some eyes I made in max into his head, there are eyes all over the internet you can use. For good close ups, map the eyes so that the eyewhite, iris, and pupil fill the whole map, and then make a 1000x1000 texture using that template and apply it to each eye. For ease of use, I usually assign all three of them to one material named eyes. Another method is import the whole mesh, remap the eyes to fill the whole screen over the rest of the texture coordinates, and then use a seperate map for the eyes than you are using for the rest of the figure. Then save your newly mapped obj in the geometry folder and point your cr2 file at the geometry so your figure will use the new eyes every time you pull him from the library.