<img {{bind-attr src=gravatarUrl}}>
<div class="email-input">
  {{input type="text" value=email placeholder="Enter your Gravatar e-mail"}}
</div>

<img {{bind-attr src=gravatarUrl}}>
<div class="email-input">
  {{input type="email" value=email placeholder="Enter your Gravatar e-mail"}}
</div>

Make gravatar component use email field
Make gravatar component use email field

(thx @matthewpearse)