The image on image option lets you use an image in your watermark.
The tricky part is to make a transparent image that is just right of
the image. The trick to remember is to think of the image as a mask
and that white in the image blocks the image underneath , but black
let the image underneath show through. So white is opaque, but black
is transparent. The best way to show this is with a table of image
on image watermarks and the output.
Note: If you are using the scale to image option (shown in tip#1)
then you want to use a large logo for your image on image. In the examples
below a small image was used and there for stretched.
Image on Image |
Full image |

The black on white logo. Notice the black is see through and
the white is not.
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The White on black logo. Since this is a gif, it shows up choppy.
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The original black on white with the brightness turned down.
A much cleaner look. Even better would be just to gray the text.
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