Tomatoes need calcium to achieve their full flavor potential. When planting tomato plants crush up (to powder) about 4 or 5 egg shells and put them in the bottom of the hole. Then plant tomato on top. They'll provide calcium and prevent blossom end rot.
for the brick wall in my dream house: Moss Graffiti: Put in blender: one can of cheap beer (or 1 cups buttermilk), a few handfuls of moss, one teaspoon of sugar. Paint on wall and mist daily until it grows.
Inexpensive Mini Greenhouses - These worked PHENOMENALLY for seed starting this year. It was nice to be able to easily carry them all in when there was a frost warning. I kept the lids on during the day to keep heat/moisture in. Love this idea!
Patio Decor and Gardening / urban gardens, small space manipulation. No instructions, but good inspiration for taking a very narrow and challenging space and turning it into a tiered garden with vertical elements.