Omegle question plz answere?

Hi im 25 im not a perv or anything just my friend dared me to show my penis on omegle its a site where you connect with random strangers,so i did for awhile,but i ran into this person the person said that they took a pic of my penis and is going to send it to the cops,i dont know if the person did or not but its got me worried will i be in trouble? how can they find out who i am with just a pic of my penis? i didnt show my face or anything,there alot of ppl doing that on that site so i didnt think anything of it.so should i be worried can they find out who i am?