Check out the site navigation bar, for tutorials you should find all you need right there.
When you do get started, feel free to post your work (whatever standard) and ask questions when you get stuck. You will find lots of knowledgeable and helpful people here.
Now get to it.
Oh yeah, As I can't tell you a single thing about PSP7, I can tell you to buy, beg, borrow or um... steal a later copy of Photoshop. It will make your future addiction to making aviation themed profiles a hell of a lot easier.
