QML ContactModel doesn't pick up thumbnails

import QtQuick 1.0
import QtMobility.contacts 1.1

Rectangle {
    gradient: Gradient {
        GradientStop {
            position: 0
            color: "black"
        } GradientStop {
            position: 1
            color: "grey"
        }
    }

    ContactModel {
        id: conModel
        manager: "memory"
        Component.onCompleted:{
            conModel.importContacts("/home/tshah/all.vcf");

        }
    }

    Component  {
        id: contactDel

        Column {
            id: theCol

            Image {
                id: img
                source: model.contact.thumbnail
                anchors.horizontalCenter: theCol.horizontalCenter
                Component.onCompleted: {
                    console.debug(model.contact.thumbnail);
                }
            }
            Text {
                id: theText
                text: model.contact.displayLabel
                color: "white"
                anchors.horizontalCenter: theCol.horizontalCenter
            }
        }
    }

    GridView {
        id: mainView
        anchors.fill: parent
        model: conModel
        delegate:contactDel
        cellWidth: 200
        cellHeight: 120
    }
}