diff --git a/.pydevproject b/.pydevproject
index 29cb7bf..fd053e7 100644
--- a/.pydevproject
+++ b/.pydevproject
@@ -4,5 +4,5 @@
 <path>/${PROJECT_DIR_NAME}/src</path>
 </pydev_pathproperty>
 <pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 3.0</pydev_property>
-<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Python3</pydev_property>
+<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">python</pydev_property>
 </pydev_project>
diff --git a/src/FlashAir/ImageViewer.py b/src/FlashAir/ImageViewer.py
index 0658923..304cabd 100644
--- a/src/FlashAir/ImageViewer.py
+++ b/src/FlashAir/ImageViewer.py
@@ -43,12 +43,11 @@
 ##
 #############################################################################
  
-from PyQt4 import QtCore, QtGui
+import PyQt4.QtCore as QtCore
+import PyQt4.QtGui as QtGui
 from FlashAir import card 
 import threading
 import time
-from QtGui import QScrollArea
-
 
 
 
@@ -77,7 +76,7 @@ class ScrollAreaEventHandler:
     def handler(self, event, scrollarea):
         modifiers = QtGui.QApplication.keyboardModifiers()
         if modifiers != QtCore.Qt.ControlModifier:
-            QScrollArea.wheelEvent(scrollarea, event)
+            QtGui.QScrollArea.wheelEvent(scrollarea, event)
         else:
             event.ignore()
         pass
diff --git a/src/FlashAir/__init__.py b/src/FlashAir/__init__.py
index 4a196ea..6127cb1 100644
--- a/src/FlashAir/__init__.py
+++ b/src/FlashAir/__init__.py
@@ -12,4 +12,4 @@
 
 __all__ = ['card','ImageViewer']
 from FlashAir import card
-from FlashAir import ImageViewer
\ No newline at end of file
+#from FlashAir import ImageViewer
diff --git a/src/FlashAir/card.py b/src/FlashAir/card.py
index 0d42895..d30275d 100644
--- a/src/FlashAir/card.py
+++ b/src/FlashAir/card.py
@@ -212,20 +212,22 @@ def download_file(self, remote_location, local_path='', local_file_name=''):
         if(os.path.isfile(local_path)):  
             return (3,0,'')
         
-        print("Downloading:" + local_file_name)
+        print("Downloading:" + local_file_name, end=" ... ")
         #get the stuff from the FlashAir
         conn.request("GET", remote_location)
         download = conn.getresponse()
-        file = open(local_path, 'wb')   
-        if(download.status==200):
 
+        if(download.status==200):
+            file = open(local_path, 'wb')   
             while True:
-                buffer=download.read(1024*8)
+                buffer=download.read(1024*32)
                 if not buffer:
                     break;
                 file_size += len(buffer) 
                 file.write(buffer)
             file.close()
+        download.close()
+        print("done (%d bytes) " % file_size)
         return (int(download.status!=200), file_size,local_path)
     
     def download_file_list_entry(self, entry,local_path='', local_filename=''):
@@ -253,6 +255,7 @@ def sync_folder_to_remote_folder(self,remote_path='',local_path='',extensions=['
             for entry in outlist:
                 if ((entry.file_name.split('.')[-1].upper() in extensions) or len(extensions)==0):
                     self.download_file_list_entry(entry, local_path)
+        
 
     def sync_new_pictures_since_start(self,remote_path='',local_path='',extensions=['JPG']):
         last_file=''
diff --git a/src/PyFlashAero.py b/src/PyFlashAero.py
index 857dae7..88b9d07 100644
--- a/src/PyFlashAero.py
+++ b/src/PyFlashAero.py
@@ -20,7 +20,7 @@ def ImageView(args):
     print("imageView")
     
     try:
-        from PyQt4 import QtGui
+        import PyQt4.QtGui as QtGui
     except ImportError:
         sys.exit("Using --imageViewer requires PyQt4, which is not installed.")
     
@@ -45,7 +45,7 @@ def SyncFolder(args):
     a=card.connection(socket.gethostbyname(args.card_uri.hostname), port, args.timeout)
     print("Use ctrl-c to exit!")
     while True:
-        a.sync_new_pictures_since_start(args.folder_remote, args.folder_local)
+        a.sync_folder_to_remote_folder(args.folder_remote, args.folder_local, extensions=args.ext)
         time.sleep(1)
         pass
 
@@ -71,7 +71,7 @@ def SyncFolder(args):
     
     parser.add_argument('--GUIDebugImage', dest='debug_image', help='path for picture to debug the GUI')
     
-    
+    parser.add_argument('--ext', action='append', default=['JPG'], dest='ext')
     
     args = parser.parse_args()
     ip = socket.gethostbyname(args.card_uri.hostname)
@@ -91,4 +91,4 @@ def SyncFolder(args):
         
     args.processing(args)
         
-    
\ No newline at end of file
+