With this features my templates/spip_sheet.tmpl looks like this:
<TMPL_INCLUDE NAME="spip_head.tmpl"> <body> <div id="pagehead"> <h1 id="top"><a name="top"></a> <div id="head"> <div style="float:left"> <TMPL_IF NAME="HEADPICTURE"> <img src="<TMPL_VAR NAME="HEADPICTURE">" \> </TMPL_IF> </div> <TMPL_VAR NAME="HEADTITLE"> <div style="clear:both;"></div> </div> <TMPL_VAR NAME="PAGETITLE"> </h1> <TMPL_INCLUDE NAME="spip_nav.tmpl"> </div> <div id="pagebody"> <TMPL_IF NAME="PICTURE"> <div id="picture"> <img src="<TMPL_VAR NAME="PICTURE">" \> </div> </TMPL_IF> <TMPL_VAR NAME="PAGEBODY"> </div> <TMPL_INCLUDE NAME="spip_feet.tmpl"> </body> </html>