How to include eps images in latex files
It seems eps is the most common image format for latex files. But for me, I was bothered by a problem for a long time: why I can’t include eps images in a latex file??? Now I understand. The allowed image format depends on the compiler you used.
See http://en.wikibooks.org/wiki/LaTeX/Importing_Graphics for details.
Here is my own summary: how to insert eps figures to latex