MPLS PPPoE

Does anyone have good tutorial about MPLS PPPoE? i’m following…

http://mum.mikrotik.com/presentations/US13/kirnak.pdf

What’s failing you in that one?

There is also a video that goes with it, it might help you if you only have the .pdf:
https://www.youtube.com/watch?v=Q8AF-Srulmk

im doing this:

http://wiki.mikrotik.com/wiki/Manual:MPLSVPLS

everything is working like the link, So how can i add client on A1,A2 and A3. Can i do via PPPoE?