Photos: try to make it faster; fix typo.

my_plugins/photos/__init__.py

@@ -220,7 +220,7 @@ def copy_videos(generator, writer):
             if debug:
                 copy_worker(orig, copied, generator.settings)
             else:
-                pool.apply_async(resize_worker, (orig, copied, generator.settings))
+                pool.apply_async(copy_worker, (orig, copied, generator.settings))
 
     pool.close()
     pool.join()

pelicanconf.py

@@ -18,7 +18,7 @@ PHOTO_GALLERY = (3840, 2160, 90)
 PHOTO_ARTICLE = (3840, 2160, 90)
 PHOTO_THUMB = (384, 256, 90)
 PHOTO_EXIF_KEEP = True
-PHOTO_RESIZE_JOBS = 8
+PHOTO_RESIZE_JOBS = 18
 
 MARKDOWN = {'extensions': ['toc(permalink=🔗)', 'codehilite(linenums=False)', 'extra']}