Diy Backyard Idea . Courtesy of jason rathe, field outdoor spaces. 2 trash barrels from dollar tree. 30 Easy DIY Backyard Projects & Ideas 2017 from ideastand.com Composite decking, cantilevered seating nooks, a cedar pergola, custom railing and cascading stairs.find the full dream deck project plans here. This summer, there’s no need to spend an arm and a leg to make your backyard. Adding some paint and you will have a flock of ladybugs lurking around the garden.