Hi Johnny and welcome to E!
As inflatress says, a good first step is to go to the Lords Ons and Offs forum and create a thread where you can tell people what interests you and what doesn't in RPs - whether thats genres, writing styles, other players behaviours or sexual kinks and acts. Then link that post to your sig and right away other members of E can see what kinds of things you like and don't like. Just take a quick look at what others have done to get an idea of different ways to "present yourself"
If you have some story ideas of your own this is the place to list them, as well as fandoms or inspirational images or music or scenes or characters that you'd like to incorporate into a role-play. Once again, looking at other's threads here is a good guide to the kinds of content/layouts to use.