here's the direct link to google on their 'tips' and guidelines.
Hope this is valid info for ya-all!
Here's the direct link to submit your site to GOOGLE. Do read their 'submission guidelines' and BE SURE that your keyword, header, and text are all in order before submitting. Multi submissions will hurt you...
"Fiction: A website will be removed from Google's index if it's 'over-submitted'.
Fact: We do not require submission nor do we penalize sites for 'over-submission'. You are free to submit as often as you wish. However, given the nature of our inclusion process, your time is better spent improving the content and links of your site."