Printable watermelon photo booth prop. DIY template to download, print and cut out for creating your own prop. Wow, how time flys! I've been working on a lot of new things for you guys and these graduation party photo booth props are for all of you who are planning a gra. Watermelon Photo-Booth Prop | Summer Photo-Booth Props | Stiff FELT and Soft FELT | Summer Party Props.