Looking at doing this under our back deck, but will be interested in the comments here. Was looking at the corrugated tin hung on tapered runners into a gutter. Don't have any trees around the back, so debris shouldn't be an issue. I was thinking I'll probably have to add a spacers or use a non-wood material for the tapers so no moisture gets trapped there or at least doesn't dry-rot the material used for the runners.
To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault