Quote Originally Posted by Auroch View Post
It took me several Google/forum searches to determine that imgur is not "a website which allows image hotlinking for avatars". A list of the 2-5 most common image hosting sites which do not allow hotlinking for avatars would make this far more helpful.
This guide states explicitly lists imgur as an example of such sites:
Quote Originally Posted by Peelee View Post
Some hosting sites that have disabled hotlinking/embedded images have been disallowed - for example, any URLs from imgur will return an error for incorrect format.
This guide is intended to instruct users how to upload a custom avatar and help solve common problems users may have. It is not intended to give a list of hosting sites that disallow (or do allow) image hosting services, in no small part due to the mutable nature of such sites, their popularity, and their policies.