Block the view of the neighbor's house with vertical trellises and climbing vines?
Easy trellis to add privacy to backyard along fence line. Would bring lattice down further to close off gap.
How to: inexpensive garden trellis | The New Home Economics
$50 Garden Trellis Backyard Privacy Shield DIY
DIY Privacy Planter
Privacy trellis. Add flowering or fruiting vines for additional cover
Tuscan Trellis privacy idea could grow ivy on it for all yard privacy
outdeco panels - Timber Screening, Merbau Screening, Privacy Screens, D.I.Y Screens
Easier and more flexible than a walkway pergola for privacy.//Trellis w/ clematis
What could be better than a planter and trellis in one? Make it mobile and self-watering, too, and you've got a really handy rolling Planter with Trellis.