1. Go into "Store" tab
2. Go to "Store Items" (says "Review & select the items to feature in your Store.")
3. go to the items you want in the window and check the bozes next to the ones you want to feature.
4. Click on the blue "add featured" button at the top.
VOILA! Sometimes it takes a little while for them to update. Keep checking. You can pick up to 14 items.