Google supports RDFa – SEOs work changes forever. What is RDFa? How can you use it? Example can be found in the source code of this article :-)
Don’t use too many pics … especially not from too many different sources.
Just put up a FOAF-File in my webspace – see if it gets spidered.
Ads about thing that you would recommend to your readers are good ads.
Just installed TwitterSuite and the mathantispam-plugins for wordpress.