Google has updated its Webmaster Academy site to feature more videos. Some of the videos on the site are old, but some are brand new. None fo them are incredibly long, so if you have a few minutes to spare, I recommend watching all of them.
Some webmasters are pretty used to videos from Google's Matt Cutts, and he does appear in some of these, but there are also some other faces in the mix.
Of course the site itself has complementary information to go along with the videos, but watching the videos themselves is a good start. Here they are:
Google's Matt Cutts explains how search works:
Jen Lee of Google's search quality team explains how to find your site on Google:
Cutts talks about snippets:
Alexi Douvas from Google's search quality team talks about creating content that performs well in Google search results. It's worth noting that this one was uploaded just today (post Panda and Penguin):
Michael Wyszomierski from Google's search quality team talks about webspam content violations:
Betty Huang from Google's search quality team talks about how malicious parties can spam your site:
A hairless Cutts (for more on that story, see here) discusses how a site that focuses on video or images can improve its rankings:
Lee talks about using sitemaps to help Google find content hosted on your site:
An introduction to Google+:
Cutts and colleague Othar Hansson discuss authorship markup: