Here are a couple of my favorites, they aren't very long. If you'd like more just go to youtube and search for mindfulness for anxiety and you'll get tons of them. :)
/www.youtube.com/watch?v=HT_ZvD94_kE&list=WL/www.youtube.com/watch?v=Fpiw2hH-dlc/www.youtube.com/watch?v=cDflnqo0TQs