A few websites you might find interesting:

Groups I belong to: 

www.shetlandartsandcrafts.co.uk

www.text-isles.com

Events:

www.flavourofshetland.com/crafts

Nice shops in Shetland:

www.ninianonline.co.uk   Ninian stocks a selection of my products

www.northrockgallery.co.uk

About Shetland:

http://shetlandmylove.blogspot.com/   A really interesting and unique blog about Shetland by resident Abby