hello
there are some helpful pointers and many detailed photos on building an outdoor koi pond here.
http://www.thereeftank.com/forums/f1...ard-96901.html
also, I personally took some photos of the koi pond at the La Brea Tar Pits in Los Angeles here. you may be annoyed at the politics, but the photos are quite nice.
http://angryjew.today.com/2008/06/05...pits-and-iraq/
anyway, good luck. koi are enchanting