LiveJournal should have /users/username/data/key output the user's public key with the appropriate headers. Then I could tell people to just do
curl http://www.livejournal.com/users/evan/data/key | gpg --import
or Debian users to even do
curl http://www.livejournal.com/users/evan/data/key | sudo apt-key add -
which are cute.
Of course, it all depends on how much you trust my LiveJournal account...