I'm not sure that disabling gifs within the community (for certain users) is necessarily the best solution. Users that have a medical/other reason for not wanting to see gifs are better off disabling them within their browser. There are a couple of easy ways of doing this: On most browsers, pressing Escape will stop any animated gifs. Install a browser plugin that disables animated gifs. However, if you really do want to disable gifs within the community for certain users, you can take one of 2 approaches: Insert some JavaScript into all community pages that will disable gifs for certain users (using something like this: http://freezeframe.chrisantonellis.com/) Replace the out-of-the-box components that display avatars to a custom component that doesn't show gifs for selected users. With either of the above approaches, you'll need some kind of role to identify users that don't want to see gifs. You'll need to consider how you allocate this role to users.
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