Below are some links that you may find helpful / interesting.

This list will be growing so check back regularly.

Chaotic Bunny - Chaotic Bunny is a great new site for writing exercises and inspiration. It's growin daily and well worth a visit.

Seventh Sanctum - A brilliant site featuring many generators. Name generators. Plot generators. Place generators. Everything generators. Some of them are a little very silly, but a great place to go when your creative muscles have completely seized up.

Writing.com - A massive online writing community. Great place for entering competitions and getting feedback on your work. It's very easy to get distracted by the community though, and forget that you're actually there to write.