I Hate to say This, but I'm Afriad it's Marijuana

I dont know why, but everytime i try to do a direct link to the video it doesnt show up in my post. so this is link, and you can copy/paste it.

http://www.youtube.com/watch?v=aUXzmif1m7Q
http://www.youtube.com/watch?v=21K9BxVsTfg
http://www.youtube.com/watch?v=vXLDcsXOhJ4
http://www.youtube.com/watch?v=7WJ2b8eFXQc