I’ve got “Show Signatures” checked in my Thread Display Options but still nada on my existing posts. If it works here then its prolly coz I changed the settings before posting this.
Well spank me arse and call me Martha. It works now. Yet it won’t show up on my older posts. Odd 
yes because it’s an addition to your post (not like the avatar) so it will not show on old messages this is normal 
Ahhh thanks SantaKlaus that makes sense.
BTW Just in case your elves have told you otherwise, I have been a good boy this year. Honest 