You need to Submit your site in popular, dofollow Social bookmarking sites be active and make friend to there, send request to your those friends for vote to your site.

If any website have more than 500 links, sitemaps can be compressed in .gz format or split into several sitemaps.

People have misconception that links in blog comments help in indexing. But according to Google, Google bots visit through those links but Google donot index those pages.

But good news is, there are some blogs those accepts dofollow links, webmasters should use those blogs.

some tips above for u to get index fast!

I thought about that after I posted my reply. What I think happened is that because I created the blog from my Google account it got picked up by the googlebot immediately and deemed as credible content by default (allowing the search engine to offer it in the results).

create sitemap.xml and robots.txt to your website and submit into the search engine webmaster tools.....,
not submit your sitemap daily,....submit your sitemap.xml into the google webmaster tools then wait and watch.....

Try to make your important web pages dynamic. Google visit dynamic pages more frequently.

Links on the other pages make sure that Google finds your website more quickly. The more links point to your website, the more likely it is that Google will find your site.

In addition, you will get higher rankings if many other pages link to your site

Do you mean indexing your site? You can do either of the following to help you get index:

1. Get quality of back links - in order to do that participate on the techniques such as forum posting, blog commenting, article and directory submissions, social bookmarking, etc.
2. Search Engine Submission
3. Create a sitemap - (already done)
4. Ping your site

Adding backlinks to sites with high PR, and sites with content that changes frequently.

Make a tomato soup oh yes and those quality backlinks that are so hard to get. I suggest Google Webmaster Tools.

I think building several quality backlinks from high PR (above 6) sites or forums would make search engines crawl your sites faster.