I think a tutorial on this subject would be very nice.
Your tutorials as linked on the site are very good, but also a bit long.
People tend to search for a specific problem, like here "how do I draw rivets the easiest way". So, small tutorials covering one subject or one trick will be popular. (Those youngsters don't like reading any more, you know

)
So, chopping it up in little pieces might help here and there. And we can use somew nice PSP tutorials. If you publish them, then we can make sure that they are copied to the Tutorials section