> 2) Do you know how to add color to lines made by either the line or pen tool?
The line tool makes a special geometry layer. You can then use the pen tool to add more geometry to
this layer. the color is controled in the layers palette. Just click on the color tag to the left
of the layer image icon.
> 3) When I work on certain images and go to save them at the end of my work, I get the message "Could not save 'x.jpg' because the file is already in use or was left open."
This usually happens when you have two file open at once and try to save the second file using the
first files name. Maybe you have made a copy of the first file to do some special work and then try
to save it over the original file. The only time saving over another file is allowed is when it is
the same file you opened, or if the other file is not open.
I don't use the line tool enough to understand the first question.
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