Oscommerce modification and 2 add-ons

I have a customised oscommerce website and I would like to change the layout of the 'Packing Slip' php file so the layout can be the same as the ebay selling manager invoice/packing slip. I would like to place the banner manager ellement in the admin section onto the template site near the bottom of the page. Finally I would like the add-on: [login to view URL] intalled on the site to allow postcode searching to speed sign ups.