chrome/test/data/plugin_power_saver/poster_tests.html

<object id='plugin_src' type='application/x-shockwave-flash' width='100'
    height='100' poster='click_me.png'></object>
<object id='plugin_srcset' type='application/x-shockwave-flash' width='100'
    height='100' poster='click_me.png 1x, click_me.png 2x'></object>
<br>
<object id='plugin_poster_param' type='application/x-shockwave-flash'
    width='100' height='100'>
  <param name='poster' value='click_me.png 1x, click_me.png 2x'>
</object>
<embed id='plugin_embed_src' type='application/x-shockwave-flash' width='100'
    height='100' poster='click_me.png'></embed>
<embed id='plugin_embed_srcset' type='application/x-shockwave-flash' width='100'
    height='100' poster='click_me.png 1x, click_me.png 2x'></embed>
<br>
<object id='poster_missing' type='application/x-shockwave-flash' width='100'
    height='100' poster='missing.png'></object>
<object id='poster_too_small' type='application/x-shockwave-flash' width='100'
    height='50' poster='click_me.png'></object>
<object id='poster_too_big' type='application/x-shockwave-flash' width='100'
    height='150' poster='click_me.png'></object>
<br>
<object id='poster_16' type='application/x-shockwave-flash' width='16'
    height='16' poster='click_me.png'></object>
<object id='poster_32' type='application/x-shockwave-flash' width='32'
    height='32' poster='click_me.png'></object>
<object id='poster_16_64' type='application/x-shockwave-flash' width='16'
    height='64' poster='click_me.png'></object>
<object id='poster_64_16' type='application/x-shockwave-flash' width='64'
    height='16' poster='click_me.png'></object>
<br>
<div id='container' style='width: 400px; height: 100px; overflow: hidden;'>
  <object id='poster_obscured' data='http://otherorigin.com/fake.swf'
      type='application/x-shockwave-flash' width='400' height='500'
      poster='click_me.png'></object>
</div>