I am using DotNetOpenAuth in my Asp.Net application.
I want to create a login page where the user can choose among the most common OpenID providers, such as google, yahoo ...
I would like to have image buttons such as SO login.
1) Is there a best practice to achieve this? (As a free / open asp.net control)
2) Do you have a list of generic discovery URLs?
Update
For information only, I found this too:
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