I would like to disable gravatar and use my custom local avatar. There are lots of plugins that do that.
But I would also like it to sync the avatars between the sites of a Wordpress Multisite. There's only 1 plugin that does that... WPMU Avatars. But it doesn't give frontend shortcode or hook or anything...
I would like a plugin to upload from the frontend custom local avatar and also that syncs between sites. I think it doesn't exists yet.
My questions are: