viewer.py

#!/usr/bin/env python

import glob
import sys

from PySide import QtGui, QtCore

class MainWindow(QtGui.QMainWindow):
    def __init__(self):
        super(MainWindow, self).__init__()

        self.scene = QtGui.QGraphicsScene()
        layout = QtGui.QGraphicsLinearLayout()

        for f in glob.glob('./test/*.JPG'):
            pixmap = QtGui.QPixmap(f).scaledToHeight(200)
            pixmapItem = self.scene.addPixmap(pixmap)

            widget = QtGui.QGraphicsWidget(pixmapItem)
            layout.addItem(widget)

        form = QtGui.QGraphicsWidget()
        form.setLayout(layout)

        self.scene.addItem(form)

        view = QtGui.QGraphicsView()
        view.setScene(self.scene)

        self.setCentralWidget(view)

app = QtGui.QApplication(sys.argv)
mw = MainWindow()
mw.show()
sys.exit(app.exec_())