Try some of these ideas: http://www.architectureartdesigns.com/15-clever-ideas-to-repurpose-rain-gutters/
Just look at all those ideas from Adrienne, great link.
Are we talking metal or UPVC?
Fix them to a wall and rest pictures in them - Fill with Soil and Grow seeds.
Use them as a water feature in a slot machine pinball way . Any children you may have visit could use it as a game (using balls or marbles or cars etc) down the runway (when it's not raining ofcourse)..........Enjoy!
Hi Linda: If you have a wooden privacy fence, you can nail them to that and use it as a planter. Then again, you can turn them upside down and use them as a boarder for your flowers. You can paint them, too:) Good luck