Here's a list of the lightning talks given at the last meetup (in presentation order) and links to further information. Some of the slides are now available in PDF form at the meetup group's file area:
http://www.meetup.com/appengine/files/


Brendan Campbell - App Engine Data Browser
Slides: http://files.meetup.com/1135107/Campbell_AppEngineDataBrowser.pdf

Jens Scheffler - Password App (Schl?sselmeister)
A series of articles on the app can be found on his great blog: http://blog.appenginefan.com/

Bill Katz - Writertopia
Slides: http://files.meetup.com/1135107/writertopia_demo.pdf
Some resources I mentioned:
firepython: http://firepython.binaryage.com/
stub-level memcaching: http://tinyurl.com/rbgfq9
bdbdatastore: http://arachnid.github.com/bdbdatastore/

Dave Westwood - BuddyPoke
Slides: http://files.meetup.com/1135107/BuddyPoke_AppEngine_Stats.pdf

Gabe Wong - jiql, a JDBC driver for App Engine datastore
More information can be found here: http://jiql.org

Brenton Simpson - Jinja recipe
His recipe: http://tinyurl.com/d6ds9j
jinja_helper is hosted in the recipe. It also includes a link to
download Jinja (http://bitbucket.org/mitsuhiko/jinja2-main/src/).

Solveig Kjartansdottir - http://WhenAvailable.com

Laurent Denoue - WebNC
Paper and slides can be found here: http://www.webnc.net