If you have questions about meditation in general, mindfulness or Insight Meditation, the following may be helpful:

‘About meditation’ webpage from London Insight – includes some short guided meditations

‘Insight Meditation and Mindfulness’  webpage from Gaia House

Other resources:

A Guide to Sitting Practice by Tara Brach, teacher at Insight Meditation Community of Washington (US), including suggestions on posture, setting up and sustaining a regular practice.

Guided Meditations given by Zohar Lavie at the Loving Kindness (Metta) retreat and Caring & Presence retreat in Sheffield, Sept 2012.

Guided meditations and talks by Insight Meditation teachers worldwide (including Gaia House teachers) can be downloaded from Dharma Seed