http://www.peta.com/ (Click 'TV' once on the website)
Some of the content on this site is quite frankly grotesque, and I have yet to actually stomach watching a video from beginning to end. However, I came across this site by chance, and thought it important to share it with you guys and generally raise awareness. Now whilst I respect animals, I'm certainly not an activist (nor am I vegetarian), but nonetheless I think it's something we should all be made/more aware of.
Here's two particularly disturbing ones I have watched:
The first one I was unable to watch to the end, like many others on the site.