Here's an index of helpful links to sites you might want to visit as a teller or someone interested in storytelling!
Societies/General Sites
Society for Storytelling
http://www.sfs.org.uk/
UK Storytellers' society, includes links and information on storytelling across the country as well as guides and advice on telling.
Particular Traditions/Mythologies
Zipang
http://www.zipang.org.uk/
Attempting to revive the oral telling of ancient Mesopotamian stories.
Individual Tellers