DIY - Glow in the dark pots with mums for fall/Halloween. Buy a flower pot that you really like and use Rustoleum's Glow-in-the-dark paint to paint the pot. During the day, the paint will absorb the sunlight and at night the pots will glow.
Undersink Organization - Chaos under your sink? Tame a crowd of spray bottles by installing a curtain rod across the cabinet. Suspend them by their spray triggers, and voila! Freed-up space for other bathroom or kitchen essentials.