#244 Gravatar

これ使うか / “#244 Gravatar - RailsCasts”

Avatar images are playing a bigger role on the web these days, especially in “social” web applications. If you want to add avatar images to one of your own applications you might want to consider using Gravatar which provides a convenient way to do this. All you need is an email address for each user so there’s no need for your application to handle file attachments, image cropping or to worry about users uploading inappropriate images as all of this is handled by Gravatar. Just give it an email address and the avatar for that user is returned.

Full article: http://railscasts.com/episodes/244-gravatar?view=asciicast