Skins how do I make livery icons?

[GRT_Matt]

Numberplate Livery Icon Generator for Content Manager

Make your livery icons with just one click easily Less work for skin creators and people who just want a clean UI One example for livery icons created with the generator only: You need to have the following fonts on your PC installed...

www.overtake.gg

Universal Number Plate Template (GIMP)

This isn't a full skin, but a resource for creating skins — yet another template for number plates. This is a single, editable GIMP image that includes templates for several sports car racing series. It is organized as several layer groups for...

www.overtake.gg

I have these links both downloaded and I was wondering how to make more of them and also how to get them working.