There are some pretty cool player-made EITC clothes out there. For example:
The Standard Black Guard Member wears this.
The Uniform for an Admiral in the EITC.
The Uniform of a General in the EITC.
A standard Clerk for the EITC.
A British company marching.
The British Navy invading Tortuga!
Sorry the ranks on the captions, and the actual pictures are different. The accurate ones are the captions. Black Guard member photo courtesy of Sven Daggersteel, all other pictures courtesy of Marc Cannonshot.