Cut the map guide and make an outline of it on the cork sheet, cut the cork sheet using a cutter, better to have the precision cutter.
Use the unused cork sheets for other designs like airplanes, boats, or whatever you like. Use masking tape to install the map on your wall, it will still stick because the cork sheet is not heavy, you can use double-sided tapes but make sure it won't ruin your wall.
You can pin the polaroid pictures you want but you can also just print your photos. Me personally, I want to add something to it. As you can see, there are QR codes in the pictures, the purpose of that is when you scan the code, it will direct to my blog about the place or to my youtube video. You can also link it to your Instagram post or whatever link you associated with that QR.
QR means Quick Release, you can set up your QR code online, I use BEACONSTAC to generate the codes.