Below are links for guided meditation. Great for novices and advanced practitioners alike. 

Guided Meditations

Chakra Clensing and Activating Guided Meditation

Guided Meditation for Anxiety, Stress & Beginning Meditation

Guided Meditation from the UCLA Mindful Awareness Research Center

Guided Meditations on a Variety of Topics from the Deepak Chopra Center

Guided Meditation for balancing each Chakra

Buddhist Meditations

Highly Recommended: Tonglen Guided Meditation by Tulku Tsori Rinpoche

A very good introduction: Learn to Meditate: A Guided Buddhist Meditation

Talks about Buddhism, Meditation and Mindfulness

Eckart Tolle: Meditation

Oprah Winfrey Talks with Thich Nhat Hanh