diff --git a/LICENSE b/LICENSE.txt
similarity index 100%
rename from LICENSE
rename to LICENSE.txt
diff --git a/README b/README.txt
similarity index 100%
rename from README
rename to README.txt
diff --git a/images/Crystal_Clear_action_filenew.png b/images/Crystal_Clear_action_filenew.png
deleted file mode 100644
index 7338dfe9..00000000
Binary files a/images/Crystal_Clear_action_filenew.png and /dev/null differ
diff --git a/includes/datastream.inc b/includes/datastream.inc
index 74517d7c..d332d06f 100644
--- a/includes/datastream.inc
+++ b/includes/datastream.inc
@@ -37,7 +37,11 @@ function islandora_view_datastream(FedoraDatastream $datastream, $download = FAL
     header('Content-length: ' . $datastream->size);
   }
   if ($download) {
-    header("Content-Disposition: attachment; filename=\"{$datastream->label}\"");
+    // Browsers will not append all extensions.
+    $mime_detect = new MimeDetect();
+    $extension = $mime_detect->getExtension($datastream->mimetype);
+    $filename = $datastream->label . '.' . $extension;
+    header("Content-Disposition: attachment; filename=\"$filename\"");
   }
   drupal_page_is_cacheable(FALSE);
   // Try not to load the file into PHP memory!
diff --git a/tests/README b/tests/README.txt
similarity index 100%
rename from tests/README
rename to tests/README.txt
diff --git a/tests/islandora_web_test_case.inc b/tests/islandora_web_test_case.inc
index cc5b8c67..a513de43 100644
--- a/tests/islandora_web_test_case.inc
+++ b/tests/islandora_web_test_case.inc
@@ -54,8 +54,8 @@ class IslandoraWebTestCase extends DrupalWebTestCase {
    * Stores the content of the Drupal Filter for later restoration.
    */
   protected function backUpDrupalFilter() {
-    if (file_exists($this->configuration['filter_drupal_file'])) {
-      $this->originalDrupalFilterContent = file_get_contents($this->configuration['filter_drupal_file']);
+    if (file_exists($this->configuration['drupal_filter_file'])) {
+      $this->originalDrupalFilterContent = file_get_contents($this->configuration['drupal_filter_file']);
     }
     else {
       throw new Exception('Failed to find the required Drupal Filter configuration file.');
@@ -98,7 +98,7 @@ class IslandoraWebTestCase extends DrupalWebTestCase {
    * Stores the content of the Drupal Filter for later restoration.
    */
   protected function restoreDrupalFilter() {
-    $file = $this->configuration['filter_drupal_file'];
+    $file = $this->configuration['drupal_filter_file'];
     if (isset($this->originalDrupalFilterContent)) {
       file_put_contents($file, $this->originalDrupalFilterContent);
     }