Thanks for sharing Hristo.
I use a similar equipment as yours but with the different I have not the ETTL off-shoe, mine is just TTL HSA-2 with a 3m long cord.
I use to use my remote tiggers, but checking your equipment I decided to test the infra-red system. My problem is shooting with infra-red communication you will need set the master flash on ETTL mode, but my cord has not ETTL communication with, so I only can use the infra-red shooting system with the master flash on the camara shoe.
In the other hand I would to know if you are using some kind of bracket for master flash.
Thanks again for sharing.