Anvil Industries has some interesting after market parts for your Legions.
From Anvil Industries:
We've digitally re-sculpted our leather straps to create this new higher quality and more finely detailed version, also at the same time created some matching Centurion Pauldrons, with subtle battle damage.
Centurion Pauldrons
A good deal at 5 pairs for £3.50 (About $5.30)
Centurion Leather Straps
A even better deal at 6 for £2.00 (About $3.00)
Find them all on their website.
Loken