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Those are called "site links".   Google awards them when a page of your site is very dominant for a specific search query.  The homepage sometimes has them and interior pages can have them too. The example in the URL that you provided shows seven site links (there is often six or eight in that configuration).  There can also be a smaller set of three or four site links such as these.... http://www.google.com.au/search?hl=en&client=firefox-a&hs=gbT&rls=org.mozilla%3Aen-US%3Aofficial&q=seo+blog&oq=seo+blog&aq=f&aqi=g10&aql=&gs_sm=e&gs_upl=79939l82050l0l12l11l1l0l0l0l249l1720l0.5.4 Google awards site links when they identify potential links that will help people access specific pages of your site directly from the SERPs. Here is more info straight from Google... http://www.google.com/support/webmasters/bin/answer.py?answer=47334