>>30646
Try at http://princes-horror-central.com/index_003.htm
The site is a huge collection of movie death scenes and also other guro related material. A lot of the scenes aren't really worth it, but a few, like that Silent Night one are diamonds.
Go here http://www.princes-horror-central.com/allclips.htm
and your browser's search to search for tags such as stab head bash etc. I've already searched for other wood chipper or grinder scenes, but to no avail.