Take the valve out, fill with water, put valve back in hand tight, turn bottle upside down and drill a 2mm pilot hole where you're going to mount a leg or summat. Now remove the valve again and the water comes out a lot more smoothly than it does just tipping it out of the valve hole.
I made one a few years back - still does sterling service as a patio heater. Going to make another for my garage later this year.
http://www.youtube.com/watch?v=QnFWh6oeQaQ Getting the powder coat off
http://www.youtube.com/watch?v=ScXKOeyTKQ8 Almost there
"Donít take life so serious, son, it ainít nohow permanent." Walt Kelly