Davyd Madeley and Andrew Cowie have just presented a two hour long tutorial titled "Writing really rad GTK and GNOME applications ... in C, Python, or Java!" at the 2008
linux.conf.au, in Melbourne.
The tutorial is available for download by video:
Part 1 and
Part 2 (warning, files are 150Mb and 110Mb respectively). If you'd prefer just the audio, then Speex files have been provided:
Part 1 and
Part 2. The
accompanying slides are also available.