<< he integration between the two services is seamless, though Picnik's design is clearly different from Picasa's and quite a few users will probably think that they've arrived on a non-Google site. >>
http://www.readwriteweb.com/archives/google_brings_picinik_to_picasa_web_albums_for_online_photo_editing.php

http://googlephotos.blogspot.com/2010/07/picasa-web-albums-goes-on-picnik.html