These are my favorites; does anyone else know of some good ones?

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Dark to Light

haha Those are excellent. This isn't exactly an alternative movie trailer but this is the best I could find right now:

<object width="425" height="355"><param name="movie" value="http://www.youtube.com/v/6A0rwG39Jzk&rel=1"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/6A0rwG39Jzk&rel=1" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>