Here are websites that can provide useful information from everything to developing writing to getting published. Also here are several contests people can enter for cash prizes!
Internet Writing Workshop - a great source for practice sessions, critiquing help, writing prompts, ect.
Writer's Weekly - A helpful writing website.
Help A Publisher Publish You (Happy) - Join this website's e-mail listing, and you will be alerted when agents are looking specifically for your type of writing!
Imagined Interprises - Publishing company looking for fantasy series (3 books or more of around 120K words, must be unsolicited (without an agent).
Overnight Prints - A great resource for marketing once you have a book created. I use this website to make my postcards and bookmarks. They are always having sales to reduce the price per item.
Vista Prints - This is what I use for created business cards, which is a great way for people you've met to reference you later!! You get like 500 for $10!