add new thumbnail flag

README.md

@@ -52,6 +52,9 @@ Options:
                                   Download live photos)
   --force-size                    Only download the requested size (default:
                                   download original if size is not available)
+  --thumbnail                     Only download the first photo as thumbnail 
+                                  of album as it is shown in the device 
+                                  (-a, --album option is required)
   --auto-delete                   Scans the "Recently Deleted" folder and
                                   deletes any files found in there. (If you
                                   restore the photo in iCloud, it will be

icloudpd/base.py

@@ -193,6 +193,11 @@
     type=click.IntRange(1),
     default=1,
 )
+@click.option(
+    "--thumbnail",
+    help="Get the first photo of album as thumbnail as is shown in the device",
+    is_flag=True,
+)
 @click.version_option()
 # pylint: disable-msg=too-many-arguments,too-many-statements
 # pylint: disable-msg=too-many-branches,too-many-locals
@@ -224,6 +229,7 @@ def main(
         no_progress_bar,
         notification_script,
         threads_num,    # pylint: disable=W0613
+        thumbnail,
 ):
     """Download all iCloud photos to a local directory"""
 
@@ -321,6 +327,10 @@ def photos_exception_handler(ex, retries):
 
     photos_count = len(photos)
 
+    if thumbnail and album is not None:
+        photos = itertools.islice(photos, photos.page_size-1, photos.page_size)
+        photos_count = 1
+
     # Optional: Only download the x most recent photos.
     if recent is not None:
         photos_count = recent
@@ -334,9 +344,9 @@ def photos_exception_handler(ex, retries):
         # ensure photos iterator doesn't have a known length
         photos = (p for p in photos)
 
-    plural_suffix = "" if photos_count == 1 else "s"
+    plural_suffix = "" if photos_count == 1 or thumbnail else "s"
     video_suffix = ""
-    photos_count_str = "the first" if photos_count == 1 else photos_count
+    photos_count_str = "the first" if photos_count == 1 else "thumbnail" if thumbnail else photos_count
     if not skip_videos:
         video_suffix = " or video" if photos_count == 1 else " and videos"
     logger.info(