lib/WebService/GData/YouTube/Doc/GeneralOverview.pod

254:           my $thumbs =$video->thumbnails;

lib/WebService/GData/YouTube/Feed/Video.pm

158:sub thumbnails {
633:=head3 thumbnails

t/56-WebService-GData-YouTube-Feed-Video-instance.t

91:ok( @{ $entry->thumbnails } == 5, 'number of thumbnails is right.' );
93:ok($entry->thumbnails->[0]->url eq 'http://i.ytimg.com/vi/qWAY3YvHqLE/default.jpg','thumbnail is properly set.');