Here you can find some software that I've written and maintain.
deb http://debian.vakevainen.fi unstable main
You may have noticed that my packages can be checked with apt-check-sigs (only with apt-get 0.5.x as explained here (chapter 7.4.3)
To import my key from a GPG server :
gpg --keyserver hkp://wwwkeys.eu.pgp.net --recv-keys 585DECB0
or you can download the key here.
With apt-get >= 0.6 do the following (sudo is needed):
gpg --armor --export 585DECB0 | sudo apt-key add -
If you don't use sudo, do the following under root :
gpg --armor --export 585DECB0 | apt-key add -