Hi,

I was trying to bring my blog in the eyes of search engines. I searched a lot for tips that will enable me to do that. Fortunately I found a site http://www.microsoft.com/smallbusiness/resources/marketing/online_marketing/help_people_find_your_web_site_8_tips.mspx

This site gives you enough tips for keeping your site known to search engines. Here are some URLs that you might be interested in:
Google: http://www.google.com/addurl/?continue=/addurl
Yahoo!: http://tinyurl.com/5oclp (registration required)
MSN: http://beta.search.msn.com/docs/submit.aspx