Weaponsmiths in an Inquisitor retinue, using Jokaero rule in game.
The Ammobunker: Tarrant's log of Imperial Guard and stuff
A Demiurg possibly in the service of the Mechanicum
Dakka Dakka: Armorum Ferrum's painting and modelling thread
Congratulations to the authors for these inspiring works. You can find a lot more interesting stuff in the linked threads.