Keeping Guppies In An Outside Pond

Resolved Question: Guppies?Out door?
i have guppies but i have been readinf that you can put them outside in ponds? is this true and if so how do you do this, do they need any speacil care? Thx in advance :)

Robyn's Guppy Page
Then, in early November 2002, I bought some to put in my basement tub pond for the winter. ... I will move more guppies outside for the summer as it warms up ...

From: http://www.aquariumhobbiests.com/guppies-in-outside-pond/guppies-in-outside-pond.php