>> Why LyX does not write the extension, is this a bug?
>
> No, it's a feature. If no extension is specified, LaTeX (the graphics package,
> for that matter) searches for the most suitable format for the given
> processor. So if you have \includegraphics{myfile} and two files myfile.eps
> and myfile.pdf are available, graphcs will select the eps file for DVI/PS
> output and the PDF file for PDF output.
>
> If the EES cannot deal with this, it's probably a bug in the EES.
>Actually, I did upload both pdf and eps, but the the error message, as I remember "could not find eps,ps,.." perhaps they set \DeclareGraphicsExtensions to that particular formats. But adding .pdf in my case works, it has been submitted. At least I know to tweak this setting format. waluyo
