Here is a page of links to interesting yoga sites:

Satyananda Yoga India - www.biharyoga.net

Satyananda Yoga UK - www.satyanandayogauk.com

Scottish Satyananda Yoga Network - www.satyanandayogainscotland.org.uk - now discontinued 

Satyananda Yoga Centre London - www.syclondon.com

Satyananda Yoga Centre Birmingham  - www.sycbirmingham.com 

Swami Vedantananda (Portugal) - www.vedantananda.com - personal retreats. courses, CPD for yoga teachers (free download of a meditation and a chant)

Sheffield Yoga School - established 2003 - courses, retreats, day seminars www.sheffieldyogaschool.co.uk

Yoga Scotland - the Governing Body for yoga in Scotland www.yogascotland.org.uk  Foundation & Living Yoga courses, teacher training and CPD.

Mandala Yoga Ashram     www.mandalayogaashram.co.uk - residential retreats, courses, yoga teacher training in  South Wales, set up by Swami Nishchalananda in 1986

Big Shakti - www.bigshakti.com  - website full of information and tempting yoga on-line courses and e-books