Adria Richards gave a great presentation on what to do if your site has already been hacked.
Bill Davis led us through the basics of protecting WordPress sites from malware and other attacks.
At the time these slides were prepared, WordPress 3.3 was in Beta 2.
A look at gallery & slideshow plugins for WordPress. Links to these plugins are in the Handout.
At the September 2011 East Bay WordPress Meetup, we talked about plugins for connecting WordPress to social networks, or embedding content from Facebook, Twitter, etc. in your WordPress site.