Herself's Webtools

Before:

After:

1) Open a copy of your photo in Gimp
2) Select Dialogs->Layers ( a layer box will open )
3) Click on the copy layer button ( button with two photos on bottom row of buttons )
4) Select bottom layer by clicking on it in layers box
5) Go back to photo and select Filters->Distorts->Emboss ( an emboss box will open )
6) Select Emboss not Bumpmap
7) Click the OK button in the emboss box ( it may take a minute or two for the emboss function to finish)
8 ) Go back to the layers box Click Mode: and select Multiply from the drop down menu
9) Adjust the Opacity in the layers until you are happy with the result

* If you want to see what the bottom layer looks like before adjusting the layers just click the eye button next to the top layer and the top layer will become invisible.

This works better with less detailed photos than it does with more detailed photos.