Colorful cup lights DIY I tried these and it's perfect for a fall room deco!
DIY Glittered tealight holders - 20 Amazing Crafts for Wedding From Your Dreams
A few stems in a jar - Wedding Chicks
idea for wedding invite. also hire a instant photo booth for the guest to take their own photos + provide a pinboard for guest to leave a photo on the board sweet twist on the photobooth idea