Fro what i can barely understand, you want to place an outline on a picture. (see how clear that was).
1. Open the Picture
2. Go To Selection Menu, and click on Select All.
3. Go to the Selection Menu again, and click on modify, thne on contract. set a number of pixels you want the width of the outline to be. Click o.k.
4. Go to Selection menu, and click Invert Selection.
4B.(This step is optional, but is recommended for better results):
Go to the Layers Pallette and click on NEW Layer, make sure its a Raster layer, click O.K.
5. click on the Fill tool, looks like a little bucket. Then click on the color you wish the outline to be. Then with the bucket, click inside the selected outline area, to fill it in that color.
you are done, you can now save the image. with an outline of the specified color.
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Ignorance is not necessarily Bliss, case in point:
Unknown has caused an Unknown Error on Unknown and must be shutdown to prevent damage to Unknown.