how to get the original picture-url from the linkedin gem api

gistfile1.rb

c = LinkedIn::Client.new
c.authorize_from_access authentication.token, authentication.secret

c.search(fields: [{:people => [:picture_url]}]).people.all.first.try(:picture_url)

#or better

c.profile(:fields => ['picture-urls::(original)']).picture_urls.all.first

Thanks a lot! You are a star!