In the Header:
<!-- TemplateParam name="Section1" type="boolean" value="false" -->
<!-- TemplateParam name="Section2" type="boolean" value="false" -->
<!-- TemplateParam name="Section3" type="boolean" value="false" -->

In the Body:
<!-- TemplateBeginIf cond="Section1" --><img src="../images/section/section1.jpg"
 width="104" height="28"><!-- TemplateEndIf -->
<!-- TemplateBeginIf cond="Section2" --><img src="../images/section/section2.jpg"
 width="104" height="28"><!-- TemplateEndIf -->
<!-- TemplateBeginIf cond="Section3" --><img src="../images/section/section3.jpg"
 width="104" height="28"><!-- TemplateEndIf -->