Libjpeg is required for getting jpeg support on Mac in Python Imaging Library.  To get it and install, do

!! Manual

{{{
$ curl -O http://www.ijg.org/files/jpegsrc.v8c.tar.gz
$ tar zxvf jpegsrc.v8c.tar.gz
$ cd jpeg-8c/
$ ./configure
$ make
$ sudo make install
}}}

Note: You may have to create {{/usr/local/include}}

!! Port

{{{
$ port install jpeg
}}}

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[Imaging | CategoryComputing.Imaging] - [Mac Shell | CategoryComputing.Mac.Shell]