To celebrate the new Photography section in the Cafe, lets try our hand at creating high Impact Photographic edges using the quickmask tool.
Make a selection around the inside of the image
Invert the selection Ctrl/Cmd+Shift+I

Press the quickmask button on the tools palette or just press the "Q" key
Filter>Distort>Ripple
Here is the filter applied to the quick mask.

Turn off the quick mask using the button or pressing "Q" again
Invert the selection back again. Ctrl/Cmd+Shift+I
Press Ctrl/Cmd+Shift+J to move the selection to a new layer.
Fill the background with white.
To finish off the effect add a default drop shadow
Here is our image with the new edge, Experiment with different filters and have fun.