i don't know why you couldn't add a link. if its bad or to something unsavory or illegal, i will mark it for hte admins to delete. i always do that with spammers
Are you using a web browser or the app?
On the app you tap the + that is to the left of the txt block. Then tap the forward slash / tap URL and add your url between the two [url]
It needs to be in this form...nless you are helping them up - Jesse Jackson