A embedded flash animation. A gif is fallback using nested objects. So if you see a image saying 'I am a gif', your device does not support flash.

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The code:
<object type="application/x-shockwave-flash" data="gfx/iama_flash.swf" id="player" width="200" height="50">
<object type="image/gif" data="gfx/iama_gif.gif" id="player2" width="200" height="50">sorry no support for flash or gif</object>
</object>