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In article ,
"doc" writes:

i have a wolf character, and i want to create (real life looking) saliva (bubbles, - foam) leading out of the mouth.
how can i do this using Photoshop 7 ?

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If this is a line art image the above suggestions are valid, but if this is a photograph, drawn bubbles will look fake, unless you are an exceptional artist(which I am not) so here are two suggestions from a photographer, who is not an artist.
1. Find an image from your files or internet(Google search of Images>bubbles should give you examples) that has interesting looking bubbles and Clone(Clone tool) the bubbles from one image into the other. This is one way to get photographic quality from one image to another.
There are several problems that can arise from this technique, but they are all resolvable with some creative methods. Two common problems are:
1. Bubbles vs. wolf are not the right size, relative to one another This is solved by changing the resolution of one image relative to the other.
2. Bubbles are not in right perspective
This can be solved by rotating the bubbles image before cloning. *Note -If you clone onto a new layer, this is a much easier process.

There is a second way that I use more often and the steps are:
1. Select an area (the bubbles) with lasso tool(loose selection)
2. Use the move tool to drag and drop the bubbles onto the wolf selection
3. Change the opacity of the bubbles layer to about 80%(to see underlying layer)
4. With the bubbles layer selected go to Edit>Free Transform
5. Drag and resize the bubbles until you get them into the right size
and alignment relative to the wolf layer.
6. Take a snapshot(this will be your history brush return point, if needed)
7. Use the eraser tool at varying sizes and strengths to erase the parts of the bubbles image you don't want and blend the bubbles into the underlying wolf image.
8. You can combine both techniques and Clone from the bubbles layer onto the wolf layer after the -free transform- step.
The possibilities are exponential in Photoshop, but these two techniques will give you (real life looking) bubbles you asked for. The bubbles will be real photographic representations, not drawn bubbles.

nikki

doc

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saliva in the mouth ??