Hide your air conditioner unit or even your garbage cans by building this lattice screen. Free instructions at the link.
Add a lattice screen to your deck for added privacy. Here is how you go about it.
Build this lattice privacy screen for your backyard with this great tutorial.
Follow these instructions to make your own custom privacy lattice.
If you need more privacy than your existing fence provides, consider building and extension using lattice.
This is a link to a Google 3D SketchUp drawing for a simple lattice constructed from treated dimensional lumber. You will need the SketchUp software to download this drawing and its freely available online.