sorry people here are a bit touchy when it comes to
electrons and modern technology .. im not gun shy ...

its ezpz ... just skann them at a high DPI and target the size they want
at the magazine .. then after you do your PS stuff, change the
dpi back down to 300 .. its not that hard .. if you don't have the machine
just ask your lab to do it for you, it is just a number change and file size change ...

its just like skanning to the apug gallery, you set the machine to a higherDPI
and to upload you reduce it to 72dpi ..

good luck with your magazine image !