If you mean the brief entries without the extra “post stuff”, try a Google search on “WordPress asides”:
http://www.google.com/search?q=wordpress+asides
There’s a number of alternatives out there, including a plugin version:
http://russ.innereyes.com/2005/01/the-rustasides-wp-15-plugin/
Do you mean the titles that don’t look like titles? You just change the CSS styles in your style.css to match. Find the HTML tag or style class or ID that represents your titles and then go into the style.css file and make the changes to match what has been done on that site.
Your titles, dependent upon the Theme you have, are usually in the H2 tag.
