[G4-Server:~] mmayer% xclock &
[1] 2186
xclock: Command not found.
logout
[1] Exit 1 xclock
Connection to 192.168.1.107 closed.

Using Paul's method:

[Mark-Mayers-Computer:~] markmayer% ssh -X mmayer@192.168.1.107
mmayer@192.168.1.107's password:
Last login: Fri Jun 13 08:53:55 2003 from 192.168.1.101
Welcome to Darwin!
[G4-Server:~] mmayer% xclock &
[1] 2202
Connection to 192.168.1.107 closed.

Maybe I'm doing something incorrectly.

Also, pardon the attitude, but saying this tutorial is for "Power Users" Only is a complete crock. Some of us beginners are using these tutorials on our path to PowerUserhood, and we need better step-by-step instructions. We might not be your intended audience, but we buy O'Reilly books too. I bought OS X Hacks after using Kevin Hemenway's excellent OSX Apache tutorials. (I also started using Rael's Blosxom around that time.) </rant>

Anyway, thank you for the tutorial, but it's just not working for me.