{{#if showBanner}}
  <div class="ember-smart-banner--inner">
    <a href="#" class='ember-smart-banner--close-button' onclick={{action 'closeBanner'}}>&times;</a>
    <div class="ember-smart-banner--icon">
      <img src="{{iconUrl}}" alt="App Icon" />
    </div>
    <div class="ember-smart-banner--info">
      <strong class="ember-smart-banner--title">{{title}}</strong>
      <span class="ember-smart-banner--description">{{description}}</span>
    </div>
    <a href="{{link}}" class="ember-smart-banner--view-button" target="_blank" onclick={{action 'openLink'}}>
      <span>{{linkText}}</span>
    </a>
  </div>
{{/if}}

{{#if showBanner}}
  <div class="ember-smart-banner--inner">
    <a href="#" class='ember-smart-banner--close-button' onclick={{action 'closeBanner'}}>&times;</a>
    {{#if iconUrl}}
      <div class="ember-smart-banner--icon">
        <img src="{{iconUrl}}" alt="App Icon" />
      </div>
    {{/if}}
    <div class="ember-smart-banner--info">
      <strong class="ember-smart-banner--title">{{title}}</strong>
      <span class="ember-smart-banner--description">{{description}}</span>
    </div>
    <a href="{{link}}" class="ember-smart-banner--view-button" target="_blank" onclick={{action 'openLink'}}>
      <span>{{linkText}}</span>
    </a>
  </div>
{{/if}}

Use conditional to include img tag
Use conditional to include img tag
