UPDATE:
Oh, I’ve just realized I may have misunderstood your question 
.
If you want to download your approved addon and distribute it to your friends, you can download it from the “Manage Status & Versions” page:
Right click this link and select “Save links as…”.
Sadly, you can’t share the link with others as you need to be logged in to download it.
But the addon is signed so they will be able to install it by simply dragging it into Firefox.
Original reply:
You are missing the green “Approved” text there:
So I would guess you’ve chosen wrong distribution option:
I’m not sure it can be fixed now.
There was a similar question not long ago: