Hi Trueblue, I know about the Create Seamless Tile function under the Web menu, but I wanted something that would automatically recognise that there is already a repeating pattern in a picture, and just cut out one tile of it for me.
I made a tutorial for how I do it manually, here:
http://www.bondwebdesign.com/photoimpact/1/
(Please note, that URL may change in the future as I update my website).
You can do amazing things with 'Effect', 'Creative', 'Kaleidoscope Effect', you can produce literally endless numbers of beautiful patterns for all sorts of things.