So, uploading a gif in nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg turns it into a jpeg/png?

nostr:note1pgmlsjsqqv8maxtn3a0wwjlukh4k2ltreedlycufkr9dxq3fqu6q428qee