Start submitting the your site :Start with google : http://google.com/addurl.html

then yahoo : http://submit.search.yahoo.com/free/request

then move to altavista,alltheweb and other search engies..

Also submit your site to direcories like http://dmoz.org , http://jayde.com etc…

Dmoz is must, as google, yahoo and may more search engines uses same directory.

And remember, dont try to SPAM with keywords in these directories, dmoz is handled by Human Editors

Submitted the sites, but still i cant see you site on top?

Wait for sometime may be a month or so but keep an eye on your search term, use http://GoogleAlert.com - this will show whenever google updates for your keywords, it will mail you the new results.

And also check whether your site is listed on google..

use this tool called Google Monitor, it can be downloaded for free from :http://www.cleverstat.com/google-monitor.htm