http://www.youtube.com/watch?v=2tgn_rIcqBE click HD for HD quality. got it from the cavs board http://realcavsfans.com/showthread.php?t=20680
Too bad, I don't think he'll get to the NBA Finals. Poor LeBron.... but it's a pretty good video in itself.
I'm pretty sure his best video ever is this: http://farm3.static.flickr.com/2384/2079598048_baa80cdbb0_o.gif (only in animated gif form, could not find it in video form)