We do not endorse or guarantee any of them, but, they worked for us. Each link will open in a new window. When you are finished with a resource close the window to return here. Really the only resource you need to learn about search engine placement. By far the best site on the internet for this topic.
All information is free but they do have a subscribers area that they charge a small amount for.
The only place I have ever paid for this type of information. Check this out before you do any submitting. The Meta Tag Tutorial. Good information on meta tags and how to use them. Don't get caught up in crazy meta tegs there are really only two.