# See http://en.gravatar.com/site/implement/images/ for details.
def user_gravatar_url(user, options = {})
size = options[:size] || 100
- hash = Digest::MD5::hexdigest(user.email.downcase)
+ hash = Digest::MD5.hexdigest(user.email.downcase)
default_image_url = image_url("users/images/large.png")
url = "#{request.protocol}www.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=#{u(default_image_url)}"
end