LM,
There are a number of things that I can help with, if you want.
I use PS, and layers, to create the final product.
PPRuNe font was
very difficult to find and reproduce: I have the image available, but it will need editing as it currently is Rotorheads specific.
It is quite important to always leave a border for icons that others will have on their desktops: certainly at the bottom, left and top of the screen.
I always create both a widescreen and a standard screen choice: not everyone has widescreen, but a stretched standard image can look horrible on wide, and vice versa.
Hosting and thumbnails are also important.
If you want to e mail me a decent hi res image, I'll show you what I mean
This is the current Rotorheads calendar for September. Click on either of the thumbnail images to go to the full size picture:
Wide screen size:
Standard screen size: