What I can do for you
Troubleshooting:
I'm well-versed in a great number of programs, and very good at troubleshooting issues with them. As a graphics professional, I'm especially good at fixing issues with all the major graphics programs, including postscript and print-server issues. Ditto for Audio programs.
Tutoring:
From consumer-level applications (think iPhoto) to pro-level (Photoshop, ProTools). But I think one of the overlooked areas is in Mac Os X (pronounced "Ten"). The Mac Os is the linchpin on which all your computing depends. I can explain to you what Os X does, and how to use it more efficiently. This is where you can "Make Your Mac Sing"