GTAPoliceMods now has new member ranks that anyone who has an account can achieve! These new member ranks even come with some awesome icons too! The more content you post the higher the rank you get.
Here are some screenshot examples of the new member ranks you can achieve.
http://prntscr.com/p43jyf : All the member ranks at GPM (more will be added/edited as we grow)
http://prntscr.com/p43kz5 : An example of how it looks like (sorry @ThatOneIowan for using you as an example)