Anniversary Backdrop Ideas Diy . There are some super simple options and some that take a little more elbow grease. This diy keepsake gift will be around to remind both of you. How To Make An Easy DIY Party Backdrop from smartpartyplanning.com Add photos of your special moments and make a book of it. I put them about 30 cm apart, but you can put them wherever you feel comfortable. One of our favorite party decorations is a bold backdrop.