code: def _upload_media(self,directory,files=None,resize_request=None):
          
          # Connect if we aren't already
          if not self._connectToFlickr():
              logger.error("%s - Couldn't connect to flickr")
              return False
  
          _tags=self._load_tags(directory)
          _megapixels=self._load_megapixels(directory)
  
  
          # If no files given, use files from DB in dir
          if not files:
              db=self._loadDB(directory)
              files=db.keys()
  
          #If only one file given, make it a list
          if isinstance(files,basestring):
              files=[files]
  
          files.sort()
  
          for filename in files:
              #FIXME: If this fails, should send a list
              # to Upload() about which files DID make it,
              # so we don't have to upload it again!
  
              status,replaced=self._upload_or_replace_flickr(directory,filename, \
                      _tags, _megapixels,resize_request)
              if not status:
                  return False
              # If uploaded OK, update photo properties, tags
              # already taken care of - only update if
              # this is a new photo (eg, if it was replaced
              # then we don't need to do this
              if not replaced:
                  self._update_config_location(directory,filename)
                  self._update_config_sets(directory,filename)
  
          return True
docs: Uploads media file to FLICKR, returns True if
          uploaded successfully, Will replace 
          if already uploaded, If megapixels > 0, will
          scale photos before upload
          If no filename given, will go through all files in DB