## Authentication Options:
-u, --username USERNAME account username
-p, --password PASSWORD account password
+ -2, --twofactor TWOFACTOR two-factor auth code
-n, --netrc use .netrc authentication data
--video-password PASSWORD video password (vimeo, smotri)
'id': '42',
'ext': 'mp4',
'title': 'Video title goes here',
+ 'thumbnail': 're:^https?://.*\.jpg$',
# TODO more properties, either as:
# * A value
# * MD5 checksum; start the string with md5: