Good for quick revision in exams.
www.angelfire.com
Electronic textbook of dermatology
By The Internet Dermatology Society. Every chapter is described in detail with the help of images.
http://telemedicine.org/stamford.htm
Dermatology atlas by Jason R. Swanson and Jeffrey L. Melton, M.D.
www.lumen.luc.edu
Dermatology Online Atlas browses over 4500 images online. Other features include Picture diagnosis, lectures, clinical cases, and pediatric dermatology atlas and neurodermatitis information center.
http://dermis.multimedica.de/index_e.htm
Also Contains dermatology procedure videos and self-assessment quizzes, written by John L. Bezzant, Department of Dermatology, and University of Utah School of Medicine.
http://medlib.med.utah.edu/kw/derm/