these shade sails look great in my yard.  it was tricky finding the best way to install these as I didn't want to attach them to my house and also didn't want a permanent fixture.  I ended up making wine barrel planters like the photo to attach the sails to.  However, I have to take the sails down whenever there's a wind advisory for fear they blow over.  So far they've held up great and haven't had any issues.