Where are these located, I can't see any on the avi selection when editing profile?

On edit profile, go to the bottom of the screen and there is a choice of "use stock avatar" or "change".

Click on "change" and it'll bring up the avatars. The one for the Black LE is on the last page, so click on the tiny arrows below the avatars and get to page 5, where you'll find the LE avatar with the black slash through it.

Job done!!

Oh, I thought I'd already checked that far, I'll have another go. Thanks.

Ah ha, I'd been clicking stock instead of change I think