Please find enclosed my extra pdf templates. I Hope this files will be helpful for community
1) Extract the zip file
2) Locate the Tke directory in the
3) Move the plugin.xml to "GanttProject\plugins\org.ganttproject.impex.htmlpdf_2.0.0\" directory
4) optionally, within both file with extension xml, you can edit this two lines:
<xsl:text>Fecha / Date : </xsl:text>
<xsl:text>Pagina / Page: </xsl:text>
and write words "Fecha and Pagina" in your own language.
5) You can also exchange the logo file in this directory with one of your choice.