Flip a tomato cage upside down and plant with succulents for year round green both inside and outside. Via Tracy Porter (ww: some places sell colored tomato cages that can spark all sorts of gardening idea mayhem.
Log Bird Feeder - 23 DIY Birdfeeders That Will Fill Your Garden With Birds (my note: I haven't looked at all of these, but at least one is a terrible idea. The window birdfeeder -- birds could fly into the glass and hurt themselves.
For the beach house* river rocks in a box + garden hose = clean feet what a great garden idea! Placed in the sun will heat the stones as well. Great way to wash off little feet covered with grass and dirt before coming inside.