Imagine you had the body of the opposite sex and pleasure yourself.
This may feel absolutely amazing or it could feel completely foreign. Spend a decent amount of time here if you're uncomfortable with it, but you can always go back to what pleases you. Consider how you would touch a member of the opposite sex and touch yourself that way. Imagine being on the receiving end of a variety of sexual pleasure. Imagine being on the receiving end of giving sexual pleasure. Let your imagination run wild.
Feel free to DM me with your experiences or any questions you have. Enjoy!