awesome web resource! 100's of free deck plans you can choose from and download at http://www.decks.com/deckplans/, or use their custom deck plans services:
This is another project of mine. A dry pond/creek bed.
This DIY built-in patio bench has storage space for pillows, propane tanks and other outdoor items. It even includes flower planters at both ends. Follow this step-by-step tutorial to build a similar outdoor bench custom-made for your patio.