Below is the code relating to the photo gallery there is no file provided called "photo_gallery_template_preview.xml" perhaps there should be?
<module id="8" type="simpleGallery" librarySymbolLinkage="GalleryPreviewModule" external="true" url="modules/galleryModule.swf" applicationDomain="externalGallery" resizable="true" icon="images/modules/gallery_icon.png" smallIcon="images/modules/gallery_small_icon.png" isContent="true">
<name><![CDATA[Photo Gallery Preview]]></name>
<properties>
<property id="1" type="plainText">
<name><![CDATA[Widget Connection ID]]></name>
<parameters>
<tooltip><![CDATA[Widgets with the same ID will be connected.]]></tooltip>
</parameters>
</property> <property id="2" type="checkBox">
<name><![CDATA[Enabled Slideshow]]></name>
</property> <property id="3" type="stepper">
<name><![CDATA[Slideshow Delay]]></name>
<parameters>
<minimum>1</minimum>
<maximum>30</maximum>
<stepSize>0.1</stepSize>
</parameters>
</property>
<property id="4" type="stepper">
<name><![CDATA[Corner Radius]]></name>
<parameters>
<minimum>0</minimum>
<maximum>9999</maximum>
<stepSize>1</stepSize>
</parameters>
</property>
<property id="5" type="stepper">
<name><![CDATA[Border Width]]></name>
<parameters>
<minimum>0</minimum>
<maximum>20</maximum>
<stepSize>1</stepSize>
</parameters>
</property>
<property id="6" type="color">
<name><![CDATA[Border Color]]></name>
</property>
<property id="7" type="slider">
<name><![CDATA[Border Alpha]]></name>
<parameters>
<postfix>%</postfix>
<minimum>0</minimum>
<maximum>100</maximum>
<snapInterval>1</snapInterval>
</parameters>
</property>
<property id="8" type="slider">
<name><![CDATA[Arrows BG Width]]></name>
<parameters>
<postfix>%</postfix>
<minimum>0</minimum>
<maximum>100</maximum>
<snapInterval>1</snapInterval>
</parameters>
</property>
<property id="9" type="color">
<name><![CDATA[Arrows BG Color]]></name>
</property>
<property id="10" type="slider">
<name><![CDATA[Arrows BG Alpha]]></name>
<parameters>
<postfix>%</postfix>
<minimum>0</minimum>
<maximum>100</maximum>
<snapInterval>1</snapInterval>
</parameters>
</property>
<property id="11" type="color">
<name><![CDATA[Arrows Color]]></name>
</property>
<property id="12" type="slider">
<name><![CDATA[Arrows Alpha]]></name>
<parameters>
<postfix>%</postfix>
<minimum>0</minimum>
<maximum>100</maximum>
<snapInterval>1</snapInterval>
</parameters>
</property></properties>
<template alpha="1" width="800" height="430">
<properties><item propertyType="1"></item><item propertyType="2">true</item><item propertyType="3">5</item><item propertyType="4">0</item><item propertyType="5">10</item><item propertyType="6">0xd9d9d9</item><item propertyType="7">100</item><item propertyType="8">30</item><item propertyType="9">0x000000</item><item propertyType="10">15</item><item propertyType="11">0xFFFFFF</item><item propertyType="12">15</item></properties>
<data>
<galleryData isDataProvider="true"/>
<template>photo_gallery_template_preview.xml</template>
</data>
</template>