Here are some links to useful websites, which you may find interesting. (in no particular order)
The National Association of Writers’ Groups (fantastic organisation)
Wrekin Writers
Caerleon Writers Holiday
Simon Whaley’s Tutor Blogspot
Women’s Stories - blog for writers of short stories for the Women’s Magazines
Society of Authors
The Bluffer’s Guides Blog
Platinum Page - Creative Writing Magazine
The Writers Bureau
Swanwick Summer School