Marcus Denker’s Seaside talk from 22C3 is available as video now: events.ccc.de/2006/04/21/gentlemen-fire-up-your-clients/

The file is called 22C3-599-en-seaside_squeak.mp4 (almost an hour, 346 MB).

The image used (This contains all slides as Squeak Projects): www.iam.unibe.ch/~denker/talks/22c3.zip "Slides" as pdf (e.g. for printing): www.iam.unibe.ch/~denker/talks/22c3.pdf