gistfile1.txt

<?xml version="1.0"?>
<config>
    <tabs>
        <layout_config translate="label" module="davidf_layoutconfig">
            <label>Configurable Layout</label>
            <sort_order>150</sort_order>
        </layout_config>
    </tabs>
    <sections>
        <layout_config translate="label" module="davidf_layoutconfig">
            <label>Theme Settings</label>
            <tab>layout_config</tab>
            <frontend_type>text</frontend_type>
            <sort_order>10</sort_order>
            <show_in_default>1</show_in_default>
            <show_in_website>1</show_in_website>
            <show_in_store>1</show_in_store>
            <groups>
                <layouts translate="label">
                    <label>Custom Layouts</label>
                    <comment>In this section you can choose how you would like various Magento pages laid out.</comment>
                    <frontend_type>text</frontend_type>
                    <sort_order>400</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_website>1</show_in_website>
                    <show_in_store>1</show_in_store>
                    <fields>
                        <catalog_page translate="label">
                            <label>Catalog Pages</label>
                            <frontend_type>select</frontend_type>
                            <source_model>davidf_layoutconfig/adminhtml_system_config_source_catalogpage</source_model>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </catalog_page>
                    </fields>
                </layouts>
            </groups>
        </layout_config>
    </sections>
</config>