1. texture.transaero   
...\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\feelThere B772 ER

2.    aircraft.cfg (=1,2,3...):

[fltsim.xx]
title=Boeing 777-223ER TSO
sim=Boeing777-200ER
model=
panel=
sound=
texture=transaero
ui_manufacturer=Boeing - feelThere/Wilco
ui_type=777-200ER
ui_variation=Transaero
ui_typerole="Commercial Airliner"
ui_createdby="feelThere/Wilco"
atc_id=N327FW
atc_airline=Boeing
atc_flight_number=777
atc_heavy=1
description=Wilco Fleet B777 200ER\nDeveloped by www.feelThere.com   \nPublished by Wilco Publishing www.wilcopub.com \n\nSupport at www.feelthere.com - www.wilcopub.com \nPlease set general realism slider to maximum.
