Index: src/java/org/apache/poi/hpsf/Thumbnail.java
===================================================================
diff --git a/poi/trunk/src/java/org/apache/poi/hpsf/Thumbnail.java b/poi/trunk/src/java/org/apache/poi/hpsf/Thumbnail.java
--- a/poi/trunk/src/java/org/apache/poi/hpsf/Thumbnail.java	(revision 1572083)
+++ b/poi/trunk/src/java/org/apache/poi/hpsf/Thumbnail.java	(working copy)
@@ -202,7 +202,7 @@
      */
     public long getClipboardFormatTag()
     {
-        long clipboardFormatTag = LittleEndian.getUInt(getThumbnail(),
+        long clipboardFormatTag = LittleEndian.getInt(getThumbnail(),
                                                        OFFSET_CFTAG);
         return clipboardFormatTag;
     }
@@ -234,7 +234,7 @@
             throw new HPSFException("Clipboard Format Tag of Thumbnail must " +
                                     "be CFTAG_WINDOWS.");
 
-        return LittleEndian.getUInt(getThumbnail(), OFFSET_CF);
+        return LittleEndian.getInt(getThumbnail(), OFFSET_CF);
     }
 
 
Index: src/testcases/org/apache/poi/hpsf/extractor/TestHPSFPropertiesExtractor.java
===================================================================
diff --git a/poi/trunk/src/testcases/org/apache/poi/hpsf/extractor/TestHPSFPropertiesExtractor.java b/poi/trunk/src/testcases/org/apache/poi/hpsf/extractor/TestHPSFPropertiesExtractor.java
--- a/poi/trunk/src/testcases/org/apache/poi/hpsf/extractor/TestHPSFPropertiesExtractor.java	(revision 1572083)
+++ b/poi/trunk/src/testcases/org/apache/poi/hpsf/extractor/TestHPSFPropertiesExtractor.java	(working copy)
@@ -22,6 +22,7 @@
 import junit.framework.TestCase;
 
 import org.apache.poi.POIDataSamples;
+import org.apache.poi.hpsf.Thumbnail;
 import org.apache.poi.hssf.HSSFTestDataSamples;
 import org.apache.poi.hssf.extractor.ExcelExtractor;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
@@ -120,4 +121,19 @@
 		assertTrue(txt.indexOf("PID_REVNUMBER") != -1);
 		assertTrue(txt.indexOf("PID_THUMBNAIL") != -1);
 	}
+
+	public void testThumbnail() {
+	  POIFSFileSystem fs;
+      HSSFWorkbook wb;
+      try {
+          fs = new POIFSFileSystem(_samples.openResourceAsStream("TestThumbnail.xls"));
+          wb = new HSSFWorkbook(fs);
+          Thumbnail thumbnail = new Thumbnail(wb.getSummaryInformation().getThumbnail());
+          assertTrue(thumbnail.getClipboardFormatTag() == -1);
+          assertTrue(thumbnail.getClipboardFormat() == 3);
+          assertTrue(thumbnail.getThumbnailAsWMF() != null);
+      } catch (Exception e) {
+          throw new RuntimeException(e);
+      }
+  }
 }
Index: test-data/hpsf/TestThumbnail.xls
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Index: test-data/hpsf/TestThumbnail.xls
===================================================================
diff --git a/poi/trunk/test-data/hpsf/TestThumbnail.xls b/poi/trunk/test-data/hpsf/TestThumbnail.xls
--- a/poi/trunk/test-data/hpsf/TestThumbnail.xls	(revision 0)
+++ b/poi/trunk/test-data/hpsf/TestThumbnail.xls	(working copy)

Property changes on: poi/trunk/test-data/hpsf/TestThumbnail.xls
___________________________________________________________________
Added: svn:mime-type
## -0,0 +1 ##
+application/octet-stream
\ No newline at end of property