Making eps Files
LaTeX likes your images to be input as a .eps file which is a major pain. Geeks who use 'mogrify' in linux manage this quite well, but what about the rest of us who are using Windows?
Once you have made your image preferably as a .bmp or .jpg there are a number of different programs to turn it into an eps (such as paint, Corel Draw and Photoshop).
However if you try to 'Print to file' although the eps will appear to have been created LaTeX will produce an error like this:
! Text line contains an invalid character.
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To avoid this error use Corel Photo Paint, open the .jpg and use Save As then select EPS - Encapsulated Post Script
