Super Smash Bros. Handdrawn video
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" id="gtembed" width="480" height="392"> <param name="allowScriptAccess" value="sameDomain"> <param name="allowFullScreen" value="true"> <param name="movie" value="http://www.gametrailers.com/remote_wrap.php?umid=161162"> <param name="quality" value="high"> <embed src="http://www.gametrailers.com/remote_wrap.php?umid=161162" swLiveConnect="true" name="gtembed" align="middle" allowScriptAccess="sameDomain" allowFullScreen="true" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="480" height="392"></embed> </object>

Very well done, is that music from Smash Bros or something else?

Well yeah, its ssmb's music I think.