How to order from multiple albums within a gallery without paying additional shipping charges:
Select the desired pictures from a selected album. Click the orange button titled "order items". You will be taken to the "select sizes and quantities" page. Select the blue "back" button with the words "add more pictures" underneath it. Select the next desired album and repeat the process. When you've added all the pictures you desire from a given gallery, click the blue "next" button on the "select sizes and quantities" page. Continue the order process.