Copy to clipboard means that when you click on paste (ctrl + V) your link will show up. So when you go to the "post raid URLs here" thread in the forum, you must click on "Reply to Topic" and paste your raid url (along with some description monster and difficulty)
 "Papa's Wingeria"){kind=icon}
 "Dawn of the Dragons"){kind=icon}
 "Farragomate"){kind=icon}