The best way to get indexed is probably not through the fast submission services. For me the best results have been achieved by going directly to the "add URL" site. This may be more tedious but it works. Go to sites such as http://google.com/addurl/ and Google will crawl your site.
Also, trying to get one-way links will help. If you have no links to your site, chances are your site could be skipped or not seen. Besides that try submitting to Dmoz.org and the Yahoo! Directory.
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